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MDEV-6027 RLIKE: "." no longer matching new line

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Added a new system variable:
default_regex_flags='DOTALL,DUPNAMES,EXTENDED,EXTRA,MULTILINE,UNGREEDY'
This commit is contained in:
Alexander Barkov
2014-04-23 10:57:25 +04:00
parent bcf16fa612
commit f9e5f237f0
10 changed files with 287 additions and 1 deletions
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85
mysql-test/r/func_regexp_pcre.result
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@ -754,3 +754,88 @@ DROP TABLE t1;
t1 CREATE TABLE `t1` (
`REGEXP_SUBSTR('abc','b')+0` double NOT NULL DEFAULT '0'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
SELECT REGEXP_SUBSTR('See https://mariadb.org/en/foundation/ for details', 'https?://[^/]*');
REGEXP_SUBSTR('See https://mariadb.org/en/foundation/ for details', 'https?://[^/]*')
https://mariadb.org
#
# MDEV-6027 RLIKE: "." no longer matching new line
#
SELECT 'cat and\ndog' RLIKE 'cat.*dog';
'cat and\ndog' RLIKE 'cat.*dog'
0
SELECT 'cat and\r\ndog' RLIKE 'cat.*dog';
'cat and\r\ndog' RLIKE 'cat.*dog'
0
SELECT 'a\nb' RLIKE 'a.b';
'a\nb' RLIKE 'a.b'
0
SELECT 'a\nb' RLIKE '(?-s)a.b';
'a\nb' RLIKE '(?-s)a.b'
0
SET default_regex_flags='DOTALL';
SELECT @@default_regex_flags;
@@default_regex_flags
DOTALL
SELECT 'cat and\ndog' RLIKE 'cat.*dog';
'cat and\ndog' RLIKE 'cat.*dog'
1
SELECT 'cat and\r\ndog' RLIKE 'cat.*dog';
'cat and\r\ndog' RLIKE 'cat.*dog'
1
SELECT 'a\nb' RLIKE 'a.b';
'a\nb' RLIKE 'a.b'
1
SELECT 'a\nb' RLIKE '(?-s)a.b';
'a\nb' RLIKE '(?-s)a.b'
0
SET default_regex_flags=DEFAULT;
SELECT REGEXP_SUBSTR('Monday Mon','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$');
ERROR 42000: Got error 'two named subpatterns have the same name at offset 29' from regexp
SET default_regex_flags='DUPNAMES';
SELECT REGEXP_SUBSTR('Monday Mon','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$');
REGEXP_SUBSTR('Monday Mon','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$')
Monday Mon
SELECT REGEXP_SUBSTR('Tuesday Tue','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$');
REGEXP_SUBSTR('Tuesday Tue','^((?<DN>Mon|Fri|Sun)day|(?<DN>Tue)sday).*(?P=DN)$')
Tuesday Tue
SET default_regex_flags=DEFAULT;
SELECT 'AB' RLIKE 'A B';
'AB' RLIKE 'A B'
0
SELECT 'AB' RLIKE 'A# this is a comment\nB';
'AB' RLIKE 'A# this is a comment\nB'
0
SET default_regex_flags='EXTENDED';
SELECT 'AB' RLIKE 'A B';
'AB' RLIKE 'A B'
1
SELECT 'AB' RLIKE 'A# this is a comment\nB';
'AB' RLIKE 'A# this is a comment\nB'
1
SET default_regex_flags=DEFAULT;
SELECT 'Aq' RLIKE 'A\\q';
'Aq' RLIKE 'A\\q'
1
SET default_regex_flags='EXTRA';
SELECT 'Aq' RLIKE 'A\\q';
ERROR 42000: Got error 'unrecognized character follows \ at offset 2' from regexp
SET default_regex_flags=DEFAULT;
SELECT 'a\nb\nc' RLIKE '^b$';
'a\nb\nc' RLIKE '^b$'
0
SET default_regex_flags='MULTILINE';
SELECT 'a\nb\nc' RLIKE '^b$';
'a\nb\nc' RLIKE '^b$'
1
SET default_regex_flags=DEFAULT;
SELECT REGEXP_SUBSTR('abc','.+');
REGEXP_SUBSTR('abc','.+')
abc
SELECT REGEXP_REPLACE('abc','^(.*)(.*)$','\\1/\\2');
REGEXP_REPLACE('abc','^(.*)(.*)$','\\1/\\2')
abc/
SET default_regex_flags='UNGREEDY';
SELECT REGEXP_SUBSTR('abc','.+');
REGEXP_SUBSTR('abc','.+')
a