Regular Expressions 101

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Library entries

2
pcre

NSU ID Card Checker

no description available
Submitted by anonymous - 5 years ago
2
pcre

Match "A B C" where A+B=C (final version)

no description available
Submitted by anonymous - 4 years ago
2
pcre

BEM

CSS Coding Guideline BEM (Block Element Modifier)
Submitted by anonymous - 2 years ago
2
pcre

手机正则

no description available
Submitted by anonymous - 2 years ago
2
pcre

Resolvers

APD SFs too general
Submitted by anonymous - 2 years ago
3
pcre

Get Nth value (3 times)

capture Nth character from string, 3 times
Submitted by K. - 9 years ago

Matching balanced parens, brackets, and braces

Vote

5

Regular Expression
pcre

/
# match a body pattern alone on a line ^\g<body>$ # we'll use (?<name>...){0} to define the pattern \g<name> # without having to match the pattern at the current position # a body pattern matches (?<body> # a sequence of (?: [^\[\]{}()\n] # non-delimiters | \g<parens> # parenthesized pattern | \g<square_brackets> # bracketed pattern | \g<curly_braces> # braced pattern )* ){0} # a parenthesized pattern matches (?<parens> \( # an open paren \g<body> # a valid body \) # a close paren ){0} # a bracketed pattern matches (?<square_brackets> \[ # an open square bracket \g<body> # a valid body \] # a close square bracket ){0} # a braced pattern matches (?<curly_braces> \{ # an open curly brace \g<body> # a valid body \} # a close curly brace ){0}
/
gmx

Description

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Submitted by Noah Luck Easterly - 9 years ago