mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
472 lines
16 KiB
Text
472 lines
16 KiB
Text
--disable_service_connection
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SET NAMES utf8;
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--echo #
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--echo # MDEV-4425 REGEXP enhancements
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--echo #
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--echo #
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--echo # Checking RLIKE
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--echo #
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# Checking that à is a single character
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SELECT 'à' RLIKE '^.$';
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# Checking \x{FFFF} syntax and case sensitivity
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SELECT 'à' RLIKE '\\x{00E0}';
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SELECT 'À' RLIKE '\\x{00E0}';
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SELECT 'à' RLIKE '\\x{00C0}';
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SELECT 'À' RLIKE '\\x{00C0}';
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SELECT 'à' RLIKE '\\x{00E0}' COLLATE utf8_bin;
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SELECT 'À' RLIKE '\\x{00E0}' COLLATE utf8_bin;
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SELECT 'à' RLIKE '\\x{00C0}' COLLATE utf8_bin;
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SELECT 'À' RLIKE '\\x{00C0}' COLLATE utf8_bin;
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# Checking how (?i) and (?-i) affect case sensitivity
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CREATE TABLE t1 (s VARCHAR(10) CHARACTER SET utf8);
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INSERT INTO t1 VALUES ('a'),('A');
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CREATE TABLE t2 (p VARCHAR(10) CHARACTER SET utf8);
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INSERT INTO t2 VALUES ('a'),('(?i)a'),('(?-i)a'),('A'),('(?i)A'),('(?-i)A');
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SELECT s,p,s RLIKE p, s COLLATE utf8_bin RLIKE p FROM t1,t2 ORDER BY BINARY s, BINARY p;
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DROP TABLE t1,t2;
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# Checking Unicode character classes
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CREATE TABLE t1 (ch VARCHAR(22)) CHARACTER SET utf8;
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CREATE TABLE t2 (class VARCHAR(32)) CHARACTER SET utf8;
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INSERT INTO t1 VALUES ('Я'),('Σ'),('A'),('À');
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INSERT INTO t1 VALUES ('я'),('σ'),('a'),('à');
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INSERT INTO t1 VALUES ('㐗'),('갷'),('ප');
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INSERT INTO t1 VALUES ('1'),('௨');
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INSERT INTO t2 VALUES ('\\p{Cyrillic}'),('\\p{Greek}'),('\\p{Latin}');
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INSERT INTO t2 VALUES ('\\p{Han}'),('\\p{Hangul}');
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INSERT INTO t2 VALUES ('\\p{Sinhala}'), ('\\p{Tamil}');
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INSERT INTO t2 VALUES ('\\p{L}'),('\\p{Ll}'),('\\p{Lu}'),('\\p{L&}');
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INSERT INTO t2 VALUES ('[[:alpha:]]'),('[[:digit:]]');
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# Use "ORDER BY BINARY" to avoid dependency on the default utf8 collation
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SELECT class, ch, ch RLIKE class FROM t1, t2 ORDER BY BINARY class, BINARY ch;
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DROP TABLE t1, t2;
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# Checking that UCP is disabled by default for binary data
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SELECT 0xFF RLIKE '\\w';
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SELECT 0xFF RLIKE '(*UCP)\\w';
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# newline character
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SELECT '\n' RLIKE '(*CR)';
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SELECT '\n' RLIKE '(*LF)';
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SELECT '\n' RLIKE '(*CRLF)';
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SELECT '\n' RLIKE '(*ANYCRLF)';
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SELECT '\n' RLIKE '(*ANY)';
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SELECT 'a\nb' RLIKE '(*LF)(?m)^a$';
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SELECT 'a\nb' RLIKE '(*CR)(?m)^a$';
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SELECT 'a\nb' RLIKE '(*CRLF)(?m)^a$';
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SELECT 'a\nb' RLIKE '(*ANYCRLF)(?m)^a$';
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SELECT 'a\rb' RLIKE '(*LF)(?m)^a$';
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SELECT 'a\rb' RLIKE '(*CR)(?m)^a$';
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SELECT 'a\rb' RLIKE '(*CRLF)(?m)^a$';
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SELECT 'a\rb' RLIKE '(*ANYCRLF)(?m)^a$';
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SELECT 'a\r\nb' RLIKE '(*LF)(?m)^a$';
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SELECT 'a\r\nb' RLIKE '(*CR)(?m)^a$';
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SELECT 'a\r\nb' RLIKE '(*CRLF)(?m)^a$';
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SELECT 'a\r\nb' RLIKE '(*ANYCRLF)(?m)^a$';
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#backreference
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SELECT 'aa' RLIKE '(a)\\g1';
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SELECT 'aa bb' RLIKE '(a)\\g1 (b)\\g2';
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#repitition
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SELECT 'aaaaa' RLIKE 'a{0,5}';
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SELECT 'aaaaa' RLIKE 'a{1,3}';
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SELECT 'aaaaa' RLIKE 'a{0,}';
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SELECT 'aaaaa' RLIKE 'a{10,20}';
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#Recursion
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SELECT 'aabb' RLIKE 'a(?R)?b';
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SELECT 'aabb' RLIKE 'aa(?R)?bb';
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#subroutine
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#SELECT 'abbbc' RLIKE '(a(b|(?1))*c)';
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#SELECT 'abca' RLIKE '([abc])(?1){3}';
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#Atomic grouping
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SELECT 'abcc' RLIKE 'a(?>bc|b)c';
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SELECT 'abc' RLIKE 'a(?>bc|b)c';
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#lookahead - negative
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SELECT 'ab' RLIKE 'a(?!b)';
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SELECT 'ac' RLIKE 'a(?!b)';
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#lookahead - positive
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SELECT 'ab' RLIKE 'a(?=b)';
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SELECT 'ac' RLIKE 'a(?=b)';
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#lookbehind - negative
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SELECT 'ab' RLIKE '(?<!a)b';
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SELECT 'cb' RLIKE '(?<!a)b';
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#lookbehind - positive
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SELECT 'ab' RLIKE '(?<=a)b';
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SELECT 'cb' RLIKE '(?<=a)b';
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# named subpatterns
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SELECT 'aa' RLIKE '(?P<pattern>a)(?P=pattern)';
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SELECT 'aba' RLIKE '(?P<pattern>a)b(?P=pattern)';
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#comments
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SELECT 'a' RLIKE 'a(?#comment)';
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SELECT 'aa' RLIKE 'a(?#comment)a';
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SELECT 'aba' RLIKE 'a(?#b)a';
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#ungreedy maching
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#SELECT 'ddd <ab>cc</ab> eee' RLIKE '<.+?>';
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#Extended character classes
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SELECT 'aaa' RLIKE '\\W\\W\\W';
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SELECT '%' RLIKE '\\W';
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SELECT '%a$' RLIKE '\\W.\\W';
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SELECT '123' RLIKE '\\d\\d\\d';
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SELECT 'aaa' RLIKE '\\d\\d\\d';
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SELECT '1a3' RLIKE '\\d.\\d';
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SELECT 'a1b' RLIKE '\\d.\\d';
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SELECT '8' RLIKE '\\D';
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SELECT 'a' RLIKE '\\D';
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SELECT '%' RLIKE '\\D';
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SELECT 'a1' RLIKE '\\D\\d';
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SELECT 'a1' RLIKE '\\d\\D';
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SELECT '\t' RLIKE '\\s';
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SELECT '\r' RLIKE '\\s';
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SELECT '\n' RLIKE '\\s';
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SELECT '\v' RLIKE '\\s';
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SELECT 'a' RLIKE '\\S';
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SELECT '1' RLIKE '\\S';
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SELECT '!' RLIKE '\\S';
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SELECT '.' RLIKE '\\S';
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# checking 0x00 bytes
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# Bug#70470 REGEXP fails to find matches after NUL character
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SELECT 'abc\0def' REGEXP 'def';
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SELECT 'abc\0def' REGEXP 'abc\\x{00}def';
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SELECT HEX(REGEXP_SUBSTR('abc\0def','abc\\x{00}def'));
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--echo #
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--echo # Checking REGEXP_REPLACE
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--echo #
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# Check data type
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CREATE TABLE t1 AS SELECT REGEXP_REPLACE('abc','b','x');
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SHOW CREATE TABLE t1;
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DROP TABLE t1;
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# Check print()
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EXPLAIN EXTENDED SELECT REGEXP_REPLACE('abc','b','x');
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# Check decimals
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SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
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CREATE TABLE t1 AS SELECT REGEXP_REPLACE('abc','b','x')+0;
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SHOW CREATE TABLE t1;
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DROP TABLE t1;
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# Return NULL if any of the arguments are NULL
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SELECT REGEXP_REPLACE(NULL,'b','c');
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SELECT REGEXP_REPLACE('a',NULL,'c');
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SELECT REGEXP_REPLACE('a','b',NULL);
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# Return the original string if no match
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SELECT REGEXP_REPLACE('a','x','b');
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# Return the original string for an empty pattern
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SELECT REGEXP_REPLACE('a','','b');
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# Check that replace stops on the first empty match
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# 'a5b' matches the pattern and '5' is replaced to 'x'
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# then 'ab' matches the pattern, but the match '5*' is empty,
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# so replacing stops here.
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SELECT REGEXP_REPLACE('a5b ab a5b','(?<=a)5*(?=b)','x');
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# A modified version of the previous example,
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# to check that all matches are replaced if no empty match is met.
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SELECT REGEXP_REPLACE('a5b a5b a5b','(?<=a)5*(?=b)','x');
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# Check that case sensitiviry respects the collation
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SELECT REGEXP_REPLACE('A','a','b');
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SELECT REGEXP_REPLACE('a','A','b');
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SELECT REGEXP_REPLACE('A' COLLATE utf8_bin,'a','b');
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SELECT REGEXP_REPLACE('a' COLLATE utf8_bin,'A','b');
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# Pattern references in the "replace" string
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SELECT REGEXP_REPLACE('James Bond', '(.*) (.*)', '\\2, \\1 \\2');
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# Checking with UTF8
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SELECT REGEXP_REPLACE('абвгд','в','ц');
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# Check that it does not treat binary strings as UTF8
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SELECT REGEXP_REPLACE('г',0xB3,0xB4);
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# Check that it replaces all matches by default
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SELECT REGEXP_REPLACE('aaaa','a','b');
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# Replace all matches except the first letter
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SELECT REGEXP_REPLACE('aaaa','(?<=.)a','b');
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# Replace all matches except the last letter
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SELECT REGEXP_REPLACE('aaaa','a(?=.)','b');
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# Replace all matches except the first and the last letter
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SELECT REGEXP_REPLACE('aaaa','(?<=.)a(?=.)','b');
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# newline character
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SELECT REGEXP_REPLACE('a\nb','(*LF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\nb','(*CR)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\nb','(*CRLF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\nb','(*ANYCRLF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\rb','(*LF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\rb','(*CR)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\rb','(*CRLF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\rb','(*ANYCRLF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\r\nb','(*LF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\r\nb','(*CR)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\r\nb','(*CRLF)(?m)^a$','c');
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SELECT REGEXP_REPLACE('a\r\nb','(*ANYCRLF)(?m)^a$','c');
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#backreference
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SELECT REGEXP_REPLACE('aa','(a)\\g1','b');
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SELECT REGEXP_REPLACE('aa bb','(a)\\g1 (b)\\g2','c');
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#repitition
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SELECT REGEXP_REPLACE('aaaaa','a{1,3}','b');
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SELECT REGEXP_REPLACE('aaaaa','a{10,20}','b');
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#Recursion
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SELECT REGEXP_REPLACE('daabbd','a(?R)?b','c');
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SELECT REGEXP_REPLACE('daabbd','aa(?R)?bb','c');
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#Atomic grouping
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SELECT REGEXP_REPLACE('dabccd','a(?>bc|b)c','e');
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SELECT REGEXP_REPLACE('dabcd','a(?>bc|b)c','e');
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#lookahead - negative
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SELECT REGEXP_REPLACE('ab','a(?!b)','e');
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SELECT REGEXP_REPLACE('ac','a(?!b)','e');
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#lookahead - positive
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SELECT REGEXP_REPLACE('ab','a(?=b)','e');
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SELECT REGEXP_REPLACE('ac','a(?=b)','e');
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#lookbehind - negative
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SELECT REGEXP_REPLACE('ab','(?<!a)b','e');
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SELECT REGEXP_REPLACE('cb','(?<!a)b','e');
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#lookbehind - positive
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SELECT REGEXP_REPLACE('ab','(?<=a)b','e');
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SELECT REGEXP_REPLACE('cb','(?<=a)b','e');
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# named subpatterns
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SELECT REGEXP_REPLACE('aa','(?P<pattern>a)(?P=pattern)','b');
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SELECT REGEXP_REPLACE('aba','(?P<pattern>a)b(?P=pattern)','c');
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#comments
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SELECT REGEXP_REPLACE('a','a(?#comment)','e');
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SELECT REGEXP_REPLACE('aa','a(?#comment)a','e');
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SELECT REGEXP_REPLACE('aba','a(?#b)a','e');
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#ungreedy maching
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SELECT REGEXP_REPLACE('ddd<ab>cc</ab>eee','<.+?>','*');
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#Extended character classes
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SELECT REGEXP_REPLACE('aaa','\\W\\W\\W','e');
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SELECT REGEXP_REPLACE('aaa','\\w\\w\\w','e');
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SELECT REGEXP_REPLACE('%','\\W','e');
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SELECT REGEXP_REPLACE('%a$','\\W.\\W','e');
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SELECT REGEXP_REPLACE('%a$','\\W\\w\\W','e');
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SELECT REGEXP_REPLACE('123','\\d\\d\\d\\d\\d\\d','e');
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SELECT REGEXP_REPLACE('123','\\d\\d\\d','e');
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SELECT REGEXP_REPLACE('aaa','\\d\\d\\d','e');
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SELECT REGEXP_REPLACE('1a3','\\d.\\d\\d.\\d','e');
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SELECT REGEXP_REPLACE('1a3','\\d.\\d','e');
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SELECT REGEXP_REPLACE('a1b','\\d.\\d','e');
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SELECT REGEXP_REPLACE('8','\\D','e');
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SELECT REGEXP_REPLACE('a','\\D','e');
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SELECT REGEXP_REPLACE('%','\\D','e');
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SELECT REGEXP_REPLACE('a1','\\D\\d','e');
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SELECT REGEXP_REPLACE('a1','\\d\\D','e');
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SELECT REGEXP_REPLACE('\t','\\s','e');
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SELECT REGEXP_REPLACE('\r','\\s','e');
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SELECT REGEXP_REPLACE('\n','\\s','e');
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SELECT REGEXP_REPLACE('a','\\S','e');
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SELECT REGEXP_REPLACE('1','\\S','e');
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SELECT REGEXP_REPLACE('!','\\S','e');
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SELECT REGEXP_REPLACE('.','\\S','e');
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--echo #
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--echo # Checking REGEXP_INSTR
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--echo #
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SELECT REGEXP_INSTR('abcd','X');
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SELECT REGEXP_INSTR('abcd','a');
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SELECT REGEXP_INSTR('abcd','b');
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SELECT REGEXP_INSTR('abcd','c');
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SELECT REGEXP_INSTR('abcd','d');
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SELECT REGEXP_INSTR('aaaa','(?<=a)a');
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SELECT REGEXP_INSTR('вася','в');
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SELECT REGEXP_INSTR('вася','а');
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SELECT REGEXP_INSTR('вася','с');
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SELECT REGEXP_INSTR('вася','я');
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SELECT REGEXP_INSTR(CONVERT('вася' USING koi8r), CONVERT('в' USING koi8r)) as exp;
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SELECT REGEXP_INSTR(CONVERT('вася' USING koi8r), CONVERT('а' USING koi8r)) as exp;
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SELECT REGEXP_INSTR(CONVERT('вася' USING koi8r), CONVERT('с' USING koi8r)) as exp;
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SELECT REGEXP_INSTR(CONVERT('вася' USING koi8r), CONVERT('я' USING koi8r)) as exp;
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--echo #
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--echo # Checking REGEXP_SUBSTR
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--echo #
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# Check data type
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CREATE TABLE t1 AS SELECT REGEXP_SUBSTR('abc','b');
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SHOW CREATE TABLE t1;
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DROP TABLE t1;
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# Check print()
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EXPLAIN EXTENDED SELECT REGEXP_SUBSTR('abc','b');
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# Check decimals
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SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
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CREATE TABLE t1 AS SELECT REGEXP_SUBSTR('abc','b')+0;
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SHOW CREATE TABLE t1;
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DROP TABLE t1;
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SELECT REGEXP_SUBSTR('See https://mariadb.org/en/foundation/ for details', 'https?://[^/]*') as exp;
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--echo #
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--echo # MDEV-6027 RLIKE: "." no longer matching new line
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--echo #
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SELECT 'cat and\ndog' RLIKE 'cat.*dog';
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SELECT 'cat and\r\ndog' RLIKE 'cat.*dog';
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SELECT 'a\nb' RLIKE 'a.b';
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SELECT 'a\nb' RLIKE '(?-s)a.b';
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SET default_regex_flags='DOTALL';
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SELECT @@default_regex_flags;
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SELECT 'cat and\ndog' RLIKE 'cat.*dog';
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SELECT 'cat and\r\ndog' RLIKE 'cat.*dog';
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SELECT 'a\nb' RLIKE 'a.b';
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SELECT 'a\nb' RLIKE '(?-s)a.b';
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SET default_regex_flags=DEFAULT;
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# note that old pcre2 reports a different offset
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--replace_result 29 30
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--error ER_REGEXP_ERROR
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SELECT REGEXP_SUBSTR('Monday Mon','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$') as exp;
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SET default_regex_flags='DUPNAMES';
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SELECT REGEXP_SUBSTR('Monday Mon','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$') as exp;
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SELECT REGEXP_SUBSTR('Tuesday Tue','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$') as exp;
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SET default_regex_flags=DEFAULT;
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SELECT 'AB' RLIKE 'A B';
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SELECT 'AB' RLIKE 'A# this is a comment\nB';
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SET default_regex_flags='EXTENDED';
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SELECT 'AB' RLIKE 'A B';
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SELECT 'AB' RLIKE 'A# this is a comment\nB';
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SET default_regex_flags=DEFAULT;
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--error ER_REGEXP_ERROR
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SELECT 'Aq' RLIKE 'A\\q';
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#double warning for view protocol
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--disable_view_protocol
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SET default_regex_flags='EXTRA';
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SELECT 'A' RLIKE 'B';
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--enable_view_protocol
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SET default_regex_flags=DEFAULT;
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SELECT 'a\nb\nc' RLIKE '^b$';
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SET default_regex_flags='MULTILINE';
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SELECT 'a\nb\nc' RLIKE '^b$';
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SET default_regex_flags=DEFAULT;
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SELECT REGEXP_SUBSTR('abc','.+');
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SELECT REGEXP_REPLACE('abc','^(.*)(.*)$','\\1/\\2');
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SET default_regex_flags='UNGREEDY';
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SELECT REGEXP_SUBSTR('abc','.+');
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SELECT REGEXP_REPLACE('abc','^(.*)(.*)$','\\1/\\2');
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SET default_regex_flags=DEFAULT;
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--echo #
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--echo # MDEV-6965 non-captured group \2 in regexp_replace
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--echo #
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SELECT REGEXP_REPLACE('1 foo and bar', '(\\d+) foo and (\\d+ )?bar', '\\1 this and \\2that') as exp;
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--echo #
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--echo # MDEV-8102 REGEXP function fails to match hex values when expression is stored as a variable
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--echo #
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--echo # Testing a warning
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SET NAMES latin1;
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SET @regCheck= '\\xE0\\x01';
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SELECT 0xE001 REGEXP @regCheck COLLATE latin1_bin;
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SELECT 0xE001 REGEXP CAST(@regCheck AS CHAR);
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--echo # Since 11.4 user variables have DERIVATION_COERCIBLE
|
||
--echo # so a user variable and a literal in the pattern give equal results
|
||
SET @regCheck= '\\xE0\\x01';
|
||
SELECT 0xE001 REGEXP '\\xE0\\x01' AS c1, 0xE001 REGEXP @regCheck AS c2;
|
||
|
||
--echo # Testing workaround N1: This makes the pattern to be a binary string:
|
||
SET NAMES latin1;
|
||
SET @regCheck= X'E001';
|
||
SELECT 0xE001 REGEXP @regCheck;
|
||
|
||
--echo # Testing workaround N2: This also makes the pattern to be a binary string, using a different syntax:
|
||
SET NAMES latin1;
|
||
SET @regCheck= _binary '\\xE0\\x01';
|
||
SELECT 0xE001 REGEXP @regCheck;
|
||
|
||
--echo # Testing workarond N3: This makes derivation of the subject string stronger (IMLICIT instead of COERCIBLE)
|
||
SET NAMES latin1;
|
||
SET @regCheck= '\\xE0\\x01';
|
||
SELECT CAST(0xE001 AS BINARY) REGEXP @regCheck;
|
||
|
||
--echo # MDEV-12420: Testing recursion overflow
|
||
# pcre2 < 10.30 relies on stack, we limit recursion depth, REGEXP fails
|
||
# newer pcre2 uses heap, no need (and no way) to limit recursion, REGEXP succeeds
|
||
# we just test that it doesn't crash with a stack overflow
|
||
--disable_warnings
|
||
--disable_result_log
|
||
SELECT 1 FROM dual WHERE ('Alpha,Bravo,Charlie,Delta,Echo,Foxtrot,StrataCentral,Golf,Hotel,India,Juliet,Kilo,Lima,Mike,StrataL3,November,Oscar,StrataL2,Sand,P3,P4SwitchTest,Arsys,Poppa,ExtensionMgr,Arp,Quebec,Romeo,StrataApiV2,PtReyes,Sierra,SandAcl,Arrow,Artools,BridgeTest,Tango,SandT,PAlaska,Namespace,Agent,Qos,PatchPanel,ProjectReport,Ark,Gimp,Agent,SliceAgent,Arnet,Bgp,Ale,Tommy,Central,AsicPktTestLib,Hsc,SandL3,Abuild,Pca9555,Standby,ControllerDut,CalSys,SandLib,Sb820,PointV2,BfnLib,Evpn,BfnSdk,Sflow,ManagementActive,AutoTest,GatedTest,Bgp,Sand,xinetd,BfnAgentLib,bf-utils,Hello,BfnState,Eos,Artest,Qos,Scd,ThermoMgr,Uniform,EosUtils,Eb,FanController,Central,BfnL3,BfnL2,tcp_wrappers,Victor,Environment,Route,Failover,Whiskey,Xray,Gimp,BfnFixed,Strata,SoCal,XApi,Msrp,XpProfile,tcpdump,PatchPanel,ArosTest,FhTest,Arbus,XpAcl,MacConc,XpApi,telnet,QosTest,Alpha2,BfnVlan,Stp,VxlanControllerTest,MplsAgent,Bravo2,Lanz,BfnMbb,Intf,XCtrl,Unicast,SandTunnel,L3Unicast,Ipsec,MplsTest,Rsvp,EthIntf,StageMgr,Sol,MplsUtils,Nat,Ira,P4NamespaceDut,Counters,Charlie2,Aqlc,Mlag,Power,OpenFlow,Lag,RestApi,BfdTest,strongs,Sfa,CEosUtils,Adt746,MaintenanceMode,MlagDut,EosImage,IpEth,MultiProtocol,Launcher,Max3179,Snmp,Acl,IpEthTest,PhyEee,bf-syslibs,tacc,XpL2,p4-ar-switch,p4-bf-switch,LdpTest,BfnPhy,Mirroring,Phy6,Ptp' REGEXP '^((?!\b(Strata|StrataApi|StrataApiV2)\b).)*$');
|
||
--enable_result_log
|
||
--enable_warnings
|
||
|
||
#
|
||
# MDEV-12942 REGEXP_INSTR returns 1 when using brackets
|
||
#
|
||
SELECT REGEXP_INSTR('a_kollision', 'oll');
|
||
SELECT REGEXP_INSTR('a_kollision', '(oll)');
|
||
SELECT REGEXP_INSTR('a_kollision', 'o([lm])\\1');
|
||
|
||
#
|
||
# MDEV-12939 A query crashes MariaDB in Item_func_regex::cleanup
|
||
#
|
||
SELECT a FROM (SELECT "aa" a) t WHERE a REGEXP '[0-9]';
|
||
--enable_service_connection
|
||
|
||
--echo #
|
||
--echo # MDEV-11777 REGEXP_REPLACE converts utf8mb4 supplementary characters to '?'
|
||
--echo #
|
||
select hex(regexp_replace(cast(x'F09F9881' as char character set 'utf8mb4'), _utf8mb4'a', _utf8mb4'b')) as Text;
|
||
--echo #
|
||
--echo # End of 10.6 tests
|
||
--echo #
|