Regular Expressions 101

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Community Patterns

1

Match URL Fragment

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

Match Binary Numbers

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

Match Currency Amounts (e.g., $1,000.00)

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

Match Common File Extensions (e.g., .txt, .json)

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

Match Common Email Domains

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

Match Credit Card Expiry Date

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

Match Common URL Schemes

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

Match Hex Color Codes

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

Match Valid IP Addresses

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

Match Non-Digit Characters (Expanded)

PCRE2 (PHP >=7.3)
the100calorieblog.com
Submitted by anonymous - 4 months ago
1

Match Binary Numbers

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

Match Octal Numbers

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

Match Hexadecimal Numbers

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

Match Complex Passwords

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

Match Dates in Multiple Formats (DD/MM/YYYY or MM-DD-YYYY)

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

Match US ZIP+4 Codes

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

Match Currencies with Optional Symbols

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

Match Floating Point Numbers

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

Match Date and Time (ISO 8601)

PCRE2 (PHP >=7.3)
buzzword101.com
Submitted by anonymous - 4 months ago
1

Match Complex Nested Parentheses

PCRE2 (PHP >=7.3)
selectview.org
Submitted by anonymous - 4 months ago
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Community Library Entry

0

Regular Expression
Python

r"
(```|`)(python)?\s*?\n?(from \S+ )?import \S+(\n.*?;)*\n((.*return \S+```)|(`return \S+`))
"
gm
Open regex in editor

Description

A regex that matches comments that adhere to the rules of r/ProgrammerHumor

Submitted by anonymous - a year ago