Regular Expressions 101

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4
pcre

Task 1

Finds a happy smile, except sad one
Submitted by Kovalev Evgeny - 9 years ago
1
pcre

Task 1

no description available
Submitted by Kovalev Evgeny - 9 years ago
1
pcre

srt

no description available
Submitted by anonymous - 9 years ago
1
pcre

example regex

no description available
Submitted by anonymous - 9 years ago
-9
pcre

test

no description available
Submitted by test - 9 years ago
1
pcre

match up to -

no description available
Submitted by anonymous - 9 years ago
1
pcre

a^n b^n

no description available
Submitted by Oleksandr Sochka - 9 years ago
1
pcre

Divisible by 3 numbers

no description available
Submitted by Oleksandr Sochka - 9 years ago
1
pcre

Phone numbers matcher

no description available
Submitted by Oleksandr Sochka - 9 years ago
1
javascript

Singular or Plural

no description available
Submitted by Gavin Jackson - 9 years ago
-22
pcre

г.москва

no description available
Submitted by anonymous - 9 years ago
0
pcre

decimal numbers

match decimal numbers with sign
Submitted by mariano_dm - 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