Regular Expressions 101

Order By

Sponsors

Community Patterns

1

password complexity

PCRE (PHP <7.3)
At least one lower case, upper case and digit, at least 10 chars
Submitted by anonymous - 9 years ago
1

Basic email validation

PCRE (PHP <7.3)
A basic and rude email validation
Submitted by Yemolai - 9 years ago
1

Ebay item id from URL

PCRE (PHP <7.3)
no description available
Submitted by Nanodev Limited - 9 years ago
1

Matching comma separated with pattern

PCRE (PHP <7.3)
Matching comma separated fields with pattern
Submitted by anonymous - 9 years ago
1

test

PCRE (PHP <7.3)
test
Submitted by umesh - 9 years ago
1

TFS Forbidden Pattern web.config file Check-In Policy

PCRE (PHP <7.3)
TFS Forbidden Pattern web.config file Check-In Policy
Submitted by Riaan de Lange - 9 years ago
1

Keyboard key parser

PCRE (PHP <7.3)
Parse Keyboard keys from string Like ctrl+a matches ctrl and a in one group This supports complex strings
Submitted by Jérémy Munsch <jeremy.munsch@gmail.com> - 9 years ago
1

lookahead (and)

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

namedQueryPattern

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

comment separator

PCRE (PHP <7.3)
works fine for // and -- but has issue with multi line comment(/**/)
Submitted by anonymous - 9 years ago
1

PolicyNumber

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

php short tags

PCRE (PHP <7.3)
Find all php short tags
Submitted by anonymous - 9 years ago
1

LDAP (R)DN url check v0.1

PCRE (PHP <7.3)
Validates an LDAP DN like one of the following CN=users,DC=example,DC=com OU=mailgroups,OU=People,OU=organisation,DC=example,DC=at LDAP://OU=mailgroups,OU=People,OU=organisation,DC=example,DC=at
Submitted by Daywalker - 9 years ago
1

GIIN

PCRE (PHP <7.3)
Global Intermediary Identification Number composition test
Submitted by ddronenko - 9 years ago
1

currency EU

PCRE (PHP <7.3)
checks the currency in EU
Submitted by Paul Font Freide - 9 years ago
1

rsa_root_prompt

PCRE (PHP <7.3)
Root Prompt of RSA
Submitted by anonymous - 9 years ago
1

test

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

CallSign

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

Trim Starting <br> tags

PCRE (PHP <7.3)
no description available
Submitted by Konrad Rudolph - 9 years ago
1

ASA_Signture

PCRE (PHP <7.3)
no description available
Submitted by A A - 9 years ago
1...7677787980...575

Negative Lookbehind (?<!jeffery)@.+

0

Regular Expression
PCRE (PHP <7.3)

/
(?<!jeffery)@.+
/
gm
Open regex in editor

Description

Simple lookbehind - only selects what is after the @ IF what comes before is NOT 'jeffery' From this guys video https://www.youtube.com/watch?v=aIEjh0YsxWA&t=1s

Submitted by anonymous - 6 years ago