Regular Expressions 101

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Community Patterns

15

IPv4

PCRE (PHP <7.3)
no description available
Submitted by robwa - 9 years ago
18

Date: DD-MM-YYYY hh:mm:ss

Recommended
PCRE (PHP <7.3)
Validate and capture dateTime parts, includes validation for leap years, range 1000-2999. Fixed bug
Submitted by Ka. - 11 years ago
28

CSV line parsing

PCRE (PHP <7.3)
Captures all fields from a CSV file's line. Can be customized with user-defined field separator and protecting character.
Submitted by Various - 10 years ago
7

Max - URL Extract

PCRE (PHP <7.3)
no description available
Submitted by Ayush - 8 years ago
52

Disorted Email Addresses

PCRE (PHP <7.3)
Matches distorted email addresses and converts them back to real ones.
Submitted by dislick - 12 years ago
10

Just validate one sequence of

PCRE (PHP <7.3)
sdfs sdfs FLBREV00022230 dsfsdfs sdfsf FLBREV00022234 In this case is false
Submitted by Fiipe - 10 years ago
29

Wrap long string to spec length

PCRE (PHP <7.3)
no description available
Submitted by fullpipe - 11 years ago
31

ninite

PCRE (PHP <7.3)
no description available
Submitted by peek - 9 years ago
17

Capture comma separated numbers

PCRE (PHP <7.3)
Capture comma separated numbers, no matter if there are spaces before or after the commas.
Submitted by Fernando Nunes - 9 years ago
19

Between tags content

PCRE (PHP <7.3)
no description available
Submitted by Agustín Bouillet - 9 years ago
9

Extract url GET parameters

PCRE (PHP <7.3)
Returns key/value pair of a url. Also works with google fonts which has additional information
Submitted by anonymous - 10 years ago
9

If-Then-Else Conditionals

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
9

Letters, numbers and blank space

PCRE (PHP <7.3)
The following regular expression matches only letter a-z A-Z numbers 0-9 and a blank space for a given string.
Submitted by Jordan Raychev - 9 years ago
11

Codice fiscale

PCRE (PHP <7.3)
Check "codice fiscale"
Submitted by Luca - 9 years ago
8

Sentence grabber /w extra check

PCRE (PHP <7.3)
Grabs sentences including terms like: e.g. z.b. Figs.These get caught in 1st capturing group. Problem: how to only accept matching sentences which contain pattern \b\d+[a-z]{0,2}\b?
Submitted by light0 - 10 years ago
18

Date Regex(DD/MM/yyyy)

PCRE (PHP <7.3)
no description available
Submitted by alcaamado - 9 years ago
4

semver

Recommended
PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md First version of this regex follows semver 2.0.0....
Submitted by @gvlx <Gerardo Lisboa> - 10 years ago
7

[A-Za-z\x{0600}-\x{06FF}\x{1000}-\x{1021}_-][-\w]*

PCRE (PHP <7.3)
A-Za-z\x{0600}-\x{06FF}\x{1000}-\x{1021}_-*
Submitted by [A-Za-z\x{0600}-\x{06FF}\x{1000}-\x{1021}_-][-\w]* - 10 years ago
7

validate US (5 & 9 digit) ZipCodes and CA PostalCodes

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
7

Remove Widows (PHP)

PCRE (PHP <7.3)
Adds a non-breaking space between the last two words of sentences
Submitted by herkulano - 9 years ago
1...458459460461

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^(?:\d{22}|)(\d{12})$
/
gm
Open regex in editor

Description

T

Submitted by anonymous - a year ago