Regular Expressions 101

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Community Patterns

1

Match US ZIP Code and Extension

PCRE2 (PHP >=7.3)
ButFirstCreate.com
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 Valid CSS Properties

PCRE2 (PHP >=7.3)
AlpineAngels.net
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 Common Programming Keywords (e.g., class, function)

PCRE2 (PHP >=7.3)
mitroaccess.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 Date in ISO 8601 Format

PCRE2 (PHP >=7.3)
ekindesigns.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 Valid CSS Units (px, em, %, etc.)

PCRE2 (PHP >=7.3)
amazingtoptens.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 URL Query Parameters

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

Match HTTP Headers

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

Match Valid MAC Address with Hyphens

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

Match HTML Document Structure

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

Match HTML Meta Tags

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

Match Common Email Providers

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

Match File Extensions (e.g., .pdf, .docx)

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

Match Phone Numbers with Country Code

PCRE2 (PHP >=7.3)
Top10Echo.com
Submitted by anonymous - a month ago
1

Match UUID v1

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

Match Simple Passwords (At least 6 Characters)

PCRE2 (PHP >=7.3)
PureTrack.net
Submitted by anonymous - a month ago
123456...133

Match ASCII Printable Characters

1

Regular Expression
PCRE2 (PHP >=7.3)

/
^[\x20-\x7E]+$
/
gm
Open regex in editor

Description

FocalWord.com

Submitted by anonymous - a month ago