mmulti-line mode: ^ and $ match begin/end line in addition to begin/end text (default false) slet . match \n (default false) Uungreedy: swap meaning of x* and x*?, x+ and x+?, etc (default false) Flag syntax isxyz(set) or-xyz(clear) orxy-z(setxy, clearz). ...
PCRE introduces a syntax to remove special meaning from a sequence of characters. The characters inside \Q ... \E are treated literally, without their special meaning. This example checks if the string matches a dollar sign followed by a parenthesized name (a variable reference in some ...
The\bassertions work well in the beginning and the end of the subject string: SELECT REGEXP_SUBSTR('xyz', '\\b\\w{3}\\b'); -> xyz By default, the^and$assertions have the same meaning with\A,\Z, and\z. However, the meanings of^and$can change in ...
+ add operations in character class. [], && ('[' must be escaped as an usual char in character class.) + add named group and subexp call. + octal or hexadecimal number sequence can be treated as a multibyte code char in character class if multibyte encoding is specified. (ex. [\xa...
Note that in the examples above .* is used. The asterisk operator is however greedy, meaning that it will match as many characters as possible (which still allow a match to occur), so often we want to change it to non-greedy by adding ?, making it .*?....
mmulti-line mode:^and$match begin/end line in addition to begin/end text (default false) slet.match\n(default false) Uungreedy: swap meaning ofx*andx*?,x+andx+?, etc (default false) Flag syntax isxyz(set) or-xyz(clear) orxy-z(set xy, clear z). ...
mmulti-line mode: ^ and $ match begin/end line in addition to begin/end text (default false) slet . match \n (default false) Uungreedy: swap meaning of x* and x*?, x+ and x+?, etc (default false) Flag syntax isxyz(set) or-xyz(clear) orxy-z(setxy, clearz). ...
m multi-line mode: ^ and $ match begin/end line in addition to begin/end text (default false) s let . match \n (default false) U ungreedy: swap meaning of x* and x*?, x+ and x+?, etc (default false)Flag syntax is xyz (set) or -xyz (clear) or xy-z (set xy, clear ...
m multi-line mode: ^ and $ match begin/end line in addition to begin/end text (default false) s let . match \n (default false) U ungreedy: swap meaning of x* and x*?, x+ and x+?, etc (default false)Flag syntax is xyz (set) or -xyz (clear) or xy-z (set xy, clear ...
mmulti-line mode: ^ and $ match begin/end line in addition to begin/end text (default false) slet . match \n (default false) Uungreedy: swap meaning of x* and x*?, x+ and x+?, etc (default false) Flag syntax isxyz(set) or-xyz(clear) orxy-z(setxy, clearz). ...