Regular Expressions 101

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Community Patterns

1

Currency Amount

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

XML Attribute

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

Match Credit Card Number with Optional Spaces

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

Match Valid Domain Name

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

Match a credit card number with optional dashes or spaces

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

Match Non-Digit Characters

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

Match Specific File Extensions (e.g., .jpg, .png)

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

Match Username with Special Characters

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

Match HTML Tags with Attributes

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

Match Credit Card Numbers (Visa, MasterCard)

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

Match Decimal Numbers with Thousand Separator

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

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

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

Match US ZIP Code with Optional Extension

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

Match Hexadecimal Strings regex

PCRE2 (PHP >=7.3)
hackingtechnicalinterview.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 Passwords with Minimum Length and Special Characters

PCRE2 (PHP >=7.3)
SimsWriters.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 Legal HTML Tags

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

Match IPv6 Address

PCRE2 (PHP >=7.3)
Movin4Life.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
12345...134

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
(<img(?!.*?alt=(['"]).*?\2)[^>]*)(>)
/
gm
Open regex in editor

Description

This regex finds images html tags without alternative text

Submitted by anonymous - 4 months ago