Regular Expressions 101

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Community Patterns

1

Match URL Query Parameters

PCRE2 (PHP >=7.3)
IsHimMarketing.com
Submitted by anonymous - a month ago
1

Match Common HTML Attributes

PCRE2 (PHP >=7.3)
NoteAbleLists.com
Submitted by anonymous - a month ago
1

Match Valid CSS Units (px, em, %, etc.)

PCRE2 (PHP >=7.3)
amazingtoptens.com
Submitted by anonymous - a month ago
1

Match Decimal Numbers (Optional Fraction)

PCRE2 (PHP >=7.3)
buzzmeone.com
Submitted by anonymous - a month ago
1

Match Date in ISO 8601 Format

PCRE2 (PHP >=7.3)
ekindesigns.com
Submitted by anonymous - a month ago
1

Match File Paths (Unix Style)

PCRE2 (PHP >=7.3)
gbtvtalk.com
Submitted by anonymous - a month ago
1

Match Common Programming Keywords (e.g., class, function)

PCRE2 (PHP >=7.3)
mitroaccess.com
Submitted by anonymous - a month ago
1

Match 24-Hour Time with Optional Seconds

PCRE2 (PHP >=7.3)
touch-notes.com
Submitted by anonymous - a month ago
1

Match Valid CSS Properties

PCRE2 (PHP >=7.3)
AlpineAngels.net
Submitted by anonymous - a month ago
1

Match Non-Whitespace Characters

PCRE2 (PHP >=7.3)
BestTechTime.com
Submitted by anonymous - a month ago
1

Match US ZIP Code and Extension

PCRE2 (PHP >=7.3)
ButFirstCreate.com
Submitted by anonymous - a month ago
1

Match Optional URL Path

PCRE2 (PHP >=7.3)
EducationalPage.net
Submitted by anonymous - a month ago
1

Match Valid UUID v4

PCRE2 (PHP >=7.3)
LariMedia.org
Submitted by anonymous - a month ago
1

Match IP Address with Port Number

PCRE2 (PHP >=7.3)
Movin4Life.org
Submitted by anonymous - a month ago
1

Match IPv6 Address

PCRE2 (PHP >=7.3)
Movin4Life.org
Submitted by anonymous - a month ago
1

Match Legal HTML Tags

PCRE2 (PHP >=7.3)
NewNulled.com
Submitted by anonymous - a month ago
1

Match Valid HTML5 Color Names

PCRE2 (PHP >=7.3)
RascalJournal.com
Submitted by anonymous - a month ago
1

Match Passwords with Minimum Length and Special Characters

PCRE2 (PHP >=7.3)
SimsWriters.com
Submitted by anonymous - a month ago
1

Match SQL Comments

PCRE2 (PHP >=7.3)
fluiddigitalmedia.com
Submitted by anonymous - a month ago
1

Match Hexadecimal Strings regex

PCRE2 (PHP >=7.3)
hackingtechnicalinterview.com
Submitted by anonymous - a month ago
1...846847848849850...896

Match Valid HTML5 Color Names

1

Regular Expression
PCRE2 (PHP >=7.3)

/
^(?:aqua|black|blue|fuchsia|gray|green|lime|maroon|navy|olive|purple|red|silver|teal|white|yellow)$
/
gm
Open regex in editor

Description

RascalJournal.com

Submitted by anonymous - a month ago