Regular Expressions 101

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Community Patterns

3

CSS Length Units

PCRE (PHP <7.3)
Matches CSS Length Units according to: http://www.w3schools.com/cssref/css_units.asp
Submitted by Sander Backus - 9 years ago
3

Script Tags

PCRE (PHP <7.3)
This is used when removing Script Tags and their content.
Submitted by Chris Sumners - 8 years ago
3

Time duration format

PCRE (PHP <7.3)
Match time duration in the following formats only: 1h 30m 59m 1h 33m 11h 2m
Submitted by Pooja Khorjuvekar - 8 years ago
3

Proxy matcher

PCRE (PHP <7.3)
Matches proxies in ip:port format. Takes into account that octets cant start with a 0, and that octets that are not the first octet can be a 0 if there are no more numbers behind it.
Submitted by Dank meme machine - 8 years ago
3

Escherichia coli, partial genome simple coding region search

PCRE (PHP <7.3)
NC_000913.3 Escherichia coli str. K-12 substr. MG1655, patial genome
Submitted by anonymous - 8 years ago
3

Validación de numeros de teléfono

PCRE (PHP <7.3)
no description available
Submitted by devsolarte@gmail.com - 8 years ago
3

Multiple emails seperated with comma

ECMAScript (JavaScript)
Multiple emails seperated with comma allowed multiple dot ltds
Submitted by Hassan Youssef - 8 years ago
3

Find css lines with px sizing

ECMAScript (JavaScript)
Use to find css sizing that migh need conversion to vs or alike.
Submitted by Bob - 8 years ago
3

File name Cleanup

ECMAScript (JavaScript)
Strips all non "A-Z,a-z,0-9+-_" characters and replaces them with a single "-"
Submitted by Apsis0215 - 8 years ago
3

Get any positive integer

PCRE (PHP <7.3)
All real numbers can be divided into three categories: positive, negative and zero; Match all positive number Match: 2 9...
Submitted by norihiori, Me-me - 8 years ago
3

IBAN

ECMAScript (JavaScript)
The complete regex for IBAN numbers
Submitted by anonymous - 8 years ago
3

Song Splitter

PCRE (PHP <7.3)
Split an audio filename into a readable format for playlists (like jPlayer) assuming the audio file is named like the following: Artist - Song Title.mp3 Band Name - Track Title ft. Another Artist.m4a demon.devin - Faithless Angel (to no avail remix).mp3
Submitted by demon.devin - 8 years ago
3

Sql Injection detection

ECMAScript (JavaScript)
this regex detect any sql injections .
Submitted by Saeed.Tabrizi@gamil.com - 8 years ago
3

Markdown link rewriting

ECMAScript (JavaScript)
A regular expression which finds all instances of markdown links and helps with rewriting link paths.
Submitted by Will Vaughn - 8 years ago
3

HSL(A) Color Matching

PCRE (PHP <7.3)
This allows for both hsl and hsla color patterns to be matched. hsla(50.5deg, .531%, .9%, 1.0) The hue can be matched without the word deg. Hue is from 0-360 Percentage allows for decimals. Percentage is from 0-100%...
Submitted by anonymous - 5 years ago
3

Full Best URL Regex Match

PCRE (PHP <7.3)
Best Full URL Regex to match URL, This is simple and can match 64K of url regex under 77ms Regex Matches All Below and more: https://example.domain http://example.domain...
Submitted by divineniiquaye - 4 years ago
3

Email

ECMAScript (JavaScript)
This is a bit simpler version that is still quite robust. It was taken from a Formik example.
Submitted by codefinity - 3 years ago
3

discord invite link

ECMAScript (JavaScript)
detect discord invite links such as: discord.gg/link discord.com/invite/link .gg/link .com/invite/link...
Submitted by padero - 3 years ago
3

Viet Nam Phone Number

ECMAScript (JavaScript)
Viet Nam Phone Number Regex. This regex include: Cellphone number: Viettel, Vinaphone, Mobiphone, Vietnamobile, Iteltelecom, Reddi (055) Telephone number (such as: 024, 028,...) Start with Exactly 10 or 11 numbers
Submitted by tuangt12 - 3 years ago
3

Match any layer bracket pair (.NET)

.NET 7.0 (C#)
Match any layer bracket pair
Submitted by Yakumo Yukari - 3 years ago
1...629630631632633...639

remove comments from php code

11

Regular Expression
PCRE (PHP <7.3)

@
(?(DEFINE) (?<next_open_tag> [^<]*+ (?i: <++[^<?s][^<]* | <++(?! \?php | \?= | script\s*language\s*=\s*([\'"]?)php\g{-1}\s*> ) [^<]* )*+ (?i: <++(?: \?php | \?= | [^>]+ ) | \z ) ) ) \A (?&next_open_tag) \K | [^'"`/#<?]*+ (?: '(?:[^'\\]+|\\.)*+' [^\'"`/#<?]* | "(?:[^"\\]+|\\.)*+" [^\'"`/#<?]* | `(?:[^`\\]+|\\.)*+` [^\'"`/#<?]* | /(?![/*]) [^\'"`/#<?]* # stop for // or /* | # if close tag ?> \? (?: >(?&next_open_tag)[^\'"`/#<?]* | ) | < (?: # heredoc or nowdoc <<[\ \t]*([\'"]?) ([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*) \g{-2}[\ \t]*[\r\n] (?-s:.*+[\r\n])*? \g{-1}[\r\n;] [^\'"`/#<?]* | (?i: /script\s*>) (?&next_open_tag) [^\'"`/#<?]* | [^\'"`/#<?]* ) )*+ \K (?: (?://|\#)(?:[^\n?]+|\?(?!>))*+ # single line comment // и # | /\*(?:[^*]+|\*(?!/))*+\*/ # multi line comment /* */ )?
@
xsg
Open regex in editor

Description

no description available

Submitted by anonymous - 9 years ago