Regular Expressions 101

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Community Patterns

1

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

PCRE2 (PHP >=7.3)
amazingtoptens.com
Submitted by anonymous - 4 months ago
1

Match Decimal Numbers (Optional Fraction)

PCRE2 (PHP >=7.3)
buzzmeone.com
Submitted by anonymous - 4 months ago
1

Match Date in ISO 8601 Format

PCRE2 (PHP >=7.3)
ekindesigns.com
Submitted by anonymous - 4 months ago
1

Match File Paths (Unix Style)

PCRE2 (PHP >=7.3)
gbtvtalk.com
Submitted by anonymous - 4 months ago
1

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

PCRE2 (PHP >=7.3)
mitroaccess.com
Submitted by anonymous - 4 months ago
1

Match 24-Hour Time with Optional Seconds

PCRE2 (PHP >=7.3)
touch-notes.com
Submitted by anonymous - 4 months ago
1

Match Valid CSS Properties

PCRE2 (PHP >=7.3)
AlpineAngels.net
Submitted by anonymous - 4 months ago
1

Match Non-Whitespace Characters

PCRE2 (PHP >=7.3)
BestTechTime.com
Submitted by anonymous - 4 months ago
1

Match US ZIP Code and Extension

PCRE2 (PHP >=7.3)
ButFirstCreate.com
Submitted by anonymous - 4 months ago
1

Match Optional URL Path

PCRE2 (PHP >=7.3)
EducationalPage.net
Submitted by anonymous - 4 months ago
1

Match Valid UUID v4

PCRE2 (PHP >=7.3)
LariMedia.org
Submitted by anonymous - 4 months ago
1

Match IPv6 Address

PCRE2 (PHP >=7.3)
Movin4Life.org
Submitted by anonymous - 4 months ago
1

Match Legal HTML Tags

PCRE2 (PHP >=7.3)
NewNulled.com
Submitted by anonymous - 4 months ago
1

Match Valid HTML5 Color Names

PCRE2 (PHP >=7.3)
RascalJournal.com
Submitted by anonymous - 4 months ago
1

Match Passwords with Minimum Length and Special Characters

PCRE2 (PHP >=7.3)
SimsWriters.com
Submitted by anonymous - 4 months ago
1

Match SQL Comments

PCRE2 (PHP >=7.3)
fluiddigitalmedia.com
Submitted by anonymous - 4 months ago
1

Match Hexadecimal Strings regex

PCRE2 (PHP >=7.3)
hackingtechnicalinterview.com
Submitted by anonymous - 4 months ago
1

Match US ZIP Code with Optional Extension

PCRE2 (PHP >=7.3)
miyuediy.net
Submitted by anonymous - 4 months ago
1

Match Times in 12-Hour Format (HH AM/PM)

PCRE2 (PHP >=7.3)
onlinebusinessshop.net
Submitted by anonymous - 4 months ago
1

Match Decimal Numbers with Thousand Separator

PCRE2 (PHP >=7.3)
BusinessMagHub.com
Submitted by anonymous - 4 months ago
1...846847848849850...902

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
[0-9][0-9] - [0-9][0-9]
/
Open regex in editor

Description

no description available

Submitted by anonymous - 11 years ago