Regular Expressions 101

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Community Patterns

72

Regex for telephone numbers all over the world

Recommended
ECMAScript (JavaScript)
Detects most of the phone numbers all over the world
Submitted by Aditya Joshi - 11 years ago (Last modified a year ago)
84

Distinguish torrent files (series vs movies)

Python
A neat regex for finding out whether a given torrent name is a series or a movie. Returns the full name of the series with the separator needed to make it pretty (ie, replace it with space or what you want). Also returns the season number or the year for the movie/series, depending on what was prev...
Submitted by Firas Dib - 10 years ago (Last modified a year ago)
87

Password Validation

ECMAScript (JavaScript)
Checks that a password has a minimum of 6 characters, at least 1 uppercase letter, 1 lowercase letter, and 1 number with no spaces.
Submitted by Christian Klemp - 9 years ago
107

ECMAScript/JavaScript trim

ECMAScript (JavaScript)
Trim leading and trailing whitespace from a string.
Submitted by fp - 11 years ago (Last modified 2 months ago)
238

Matching email addresses per RFC5322

PCRE (PHP <7.3)
The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.
Submitted by Michael Musson - 11 years ago
483

regex101.com permalink id grabber

PCRE (PHP <7.3)
Grabs the ID for the regex101.com permalink code. If a revision number is provided, grab that as well.
Submitted by chris mccoy - 11 years ago (Last modified 8 months ago)
1...899900901

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

~
(?<=^|\v) \h*+\*\h*+ (?: (?: (?P<annotation> @(?P<name>\w++) (?: (?<=@param)\h++(?P<type>\w++(?:\[\])?)\h++\$(?P<variable>\w++) |(?<=@return)\h++(?P<type>\w++(?:\[\])?) |(?<=@throws)\h++(?P<class>\w++) |(?<=@cache)\h++(?P<time>\d++) |(?<=@roles)\h++(?P<roles>\w++(?:\h*+,\h*+\w++)*) )? ) ) (?P<comment>\h++[^\v]++)? (?:(?P<comment>\v)\h*+\*\h*+(?P<comment>[^\v@\h\*][^\v]++))*+ |(?P<description>(?:[^\v@\h\*][^\v]++) (?: \v\h*+\*\h*+[^\v@\h\*][^\v]++ )*+ ) )
~
gxsJ
Open regex in editor

Description

Extract descriptions and tags in a PHPDoc comment bloc

Some tags are customized for my usage, but can be removed or replaced.

/!\ multiline descriptions must be cleaned after capture to remove the spaces and '*' at the start of each line after the first.

Submitted by olivier.parmentier - 7 years ago