Regular Expressions 101

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Community Patterns

1

Match Common HTML Attributes

PCRE2 (PHP >=7.3)
NoteAbleLists.com
Submitted by anonymous - 5 months ago
1

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

PCRE2 (PHP >=7.3)
amazingtoptens.com
Submitted by anonymous - 5 months ago
1

Match Decimal Numbers (Optional Fraction)

PCRE2 (PHP >=7.3)
buzzmeone.com
Submitted by anonymous - 5 months ago
1

Match Date in ISO 8601 Format

PCRE2 (PHP >=7.3)
ekindesigns.com
Submitted by anonymous - 5 months ago
1

Match File Paths (Unix Style)

PCRE2 (PHP >=7.3)
gbtvtalk.com
Submitted by anonymous - 5 months ago
1

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

PCRE2 (PHP >=7.3)
mitroaccess.com
Submitted by anonymous - 5 months ago
1

Match 24-Hour Time with Optional Seconds

PCRE2 (PHP >=7.3)
touch-notes.com
Submitted by anonymous - 5 months ago
1

Match Valid CSS Properties

PCRE2 (PHP >=7.3)
AlpineAngels.net
Submitted by anonymous - 5 months ago
1

Match Non-Whitespace Characters

PCRE2 (PHP >=7.3)
BestTechTime.com
Submitted by anonymous - 5 months ago
1

Match US ZIP Code and Extension

PCRE2 (PHP >=7.3)
ButFirstCreate.com
Submitted by anonymous - 5 months ago
1

Match Optional URL Path

PCRE2 (PHP >=7.3)
EducationalPage.net
Submitted by anonymous - 5 months ago
1

Match Valid UUID v4

PCRE2 (PHP >=7.3)
LariMedia.org
Submitted by anonymous - 5 months ago
1

Match IPv6 Address

PCRE2 (PHP >=7.3)
Movin4Life.org
Submitted by anonymous - 5 months ago
1

Match Legal HTML Tags

PCRE2 (PHP >=7.3)
NewNulled.com
Submitted by anonymous - 5 months ago
1

Match Valid HTML5 Color Names

PCRE2 (PHP >=7.3)
RascalJournal.com
Submitted by anonymous - 5 months ago
1

Match Passwords with Minimum Length and Special Characters

PCRE2 (PHP >=7.3)
SimsWriters.com
Submitted by anonymous - 5 months ago
1

Match SQL Comments

PCRE2 (PHP >=7.3)
fluiddigitalmedia.com
Submitted by anonymous - 5 months ago
1

Match Hexadecimal Strings regex

PCRE2 (PHP >=7.3)
hackingtechnicalinterview.com
Submitted by anonymous - 5 months ago
1

Match US ZIP Code with Optional Extension

PCRE2 (PHP >=7.3)
miyuediy.net
Submitted by anonymous - 5 months ago
1

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

PCRE2 (PHP >=7.3)
onlinebusinessshop.net
Submitted by anonymous - 5 months ago
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Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^([12]\d)?(\d\d)[\.\/\-](0?[1-9]|1[012])[\.\/\-](0?[1-9]|[12]\d|3[01])\s([01]?[0-9]|2[0-3]):[0-5][0-9]$
/
Open regex in editor

Description

Validation for date 2013.12.24 14:50

Submitted by axelprog - 10 years ago