Regular Expressions 101

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Community Patterns

1

Match URL Parameters with Optional Values

PCRE2 (PHP >=7.3)
youngfreeflorida.com
Submitted by anonymous - 3 months ago
1

Match Floating Numbers with Optional Scientific Notation

PCRE2 (PHP >=7.3)
thecoversproject.org
Submitted by anonymous - 3 months ago
1

Match Nested HTML Tags

PCRE2 (PHP >=7.3)
techono.me
Submitted by anonymous - 3 months ago
1

Match Hexadecimal Color with Optional Alpha

PCRE2 (PHP >=7.3)
theunjob.com
Submitted by anonymous - 3 months ago
1

Extract Non-Alpha Numeric Characters

PCRE2 (PHP >=7.3)
quickpicapp.com
Submitted by anonymous - 3 months ago
1

Match Strings with Special Characters

PCRE2 (PHP >=7.3)
myplacepoints.com
Submitted by anonymous - 3 months ago
1

Extract Domain Names with TLD

PCRE2 (PHP >=7.3)
salientsocial.com
Submitted by anonymous - 3 months ago
1

Match Version Numbers (e.g., 1.0.0, 2.3.4)

PCRE2 (PHP >=7.3)
monsterdare.com
Submitted by anonymous - 3 months ago
1

Match Hexadecimal Strings

PCRE2 (PHP >=7.3)
ud2002.org
Submitted by anonymous - 3 months ago
1

Extract Mixed Content (Text and Numbers)

PCRE2 (PHP >=7.3)
selfdirect.org
Submitted by anonymous - 3 months ago
1

Match HTML Entities

PCRE2 (PHP >=7.3)
investprive.com
Submitted by anonymous - 3 months ago
1

Match Complex Strings with Nested Patterns

PCRE2 (PHP >=7.3)
scrolltalk.com
Submitted by anonymous - 3 months ago
1

Match IP Address with Subnet

PCRE2 (PHP >=7.3)
dailynewstalk.org
Submitted by anonymous - 3 months ago
1

Match Currency Amount with Optional Symbols

PCRE2 (PHP >=7.3)
megformeg.com
Submitted by anonymous - 3 months ago
1

Match Social Security Numbers (US)

PCRE2 (PHP >=7.3)
handspreca.com
Submitted by anonymous - 3 months ago
1

Match Valid Email Addresses with Local Part Length

PCRE2 (PHP >=7.3)
soccernetlive.com
Submitted by anonymous - 3 months ago
1

Match Specific Year Format (YYYY)

PCRE2 (PHP >=7.3)
dotorgpower.com
Submitted by anonymous - 3 months ago
1

Match String with Limited Length

PCRE2 (PHP >=7.3)
businesshowto.net
Submitted by anonymous - 3 months ago
1

Extract All Matches from a Text

PCRE2 (PHP >=7.3)
forcetekusa.com
Submitted by anonymous - 3 months ago
1

Match Postal Codes (US Format)

PCRE2 (PHP >=7.3)
bignewscentral.com
Submitted by anonymous - 3 months ago
1...1011121314...900

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
\bp+[a@\*]?[e3\*\W_]+d+[\*0o](?:(?:ph|f)il(?:[e3\*\W_]|ia))?\b
/
gm
Open regex in editor

Description

Matches "pedophile" and variations, including a few common bypasses.

Submitted by paiuxfluens - 4 months ago (Last modified 2 months ago)