Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

1

Match Currencies with Optional Symbols

PCRE2 (PHP >=7.3)
thewebsbest.net
Submitted by anonymous - 3 months ago
1

Match US ZIP+4 Codes

PCRE2 (PHP >=7.3)
startupcrunch.org
Submitted by anonymous - 3 months ago
1

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

PCRE2 (PHP >=7.3)
toptechietimes.com
Submitted by anonymous - 3 months ago
1

Match Complex Passwords

PCRE2 (PHP >=7.3)
softwaresfordownloads.com
Submitted by anonymous - 3 months ago
1

Match Hexadecimal Numbers

PCRE2 (PHP >=7.3)
econographia.com
Submitted by anonymous - 3 months ago
1

Match Octal Numbers

PCRE2 (PHP >=7.3)
zingologymfg.com
Submitted by anonymous - 3 months ago
1

Match Binary Numbers

PCRE2 (PHP >=7.3)
fulltorrent.net
Submitted by anonymous - 3 months ago
1

Match Non-Digit Characters (Expanded)

PCRE2 (PHP >=7.3)
the100calorieblog.com
Submitted by anonymous - 3 months ago
1

Match Valid IP Addresses

PCRE2 (PHP >=7.3)
AlfaDigitalWorld.com
Submitted by anonymous - 3 months ago
1

Match Hex Color Codes

PCRE2 (PHP >=7.3)
DartWhite.com
Submitted by anonymous - 3 months ago
1

Match Common URL Schemes

PCRE2 (PHP >=7.3)
markitthing.com
Submitted by anonymous - 3 months ago
1

Match Credit Card Expiry Date

PCRE2 (PHP >=7.3)
stockmoneys.com
Submitted by anonymous - 3 months ago
1

Match Common Email Domains

PCRE2 (PHP >=7.3)
designmagazines.net
Submitted by anonymous - 3 months ago
1

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

PCRE2 (PHP >=7.3)
designmagazines.net
Submitted by anonymous - 3 months ago
1

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

PCRE2 (PHP >=7.3)
grapefulapp.com
Submitted by anonymous - 3 months ago
1

Match Binary Numbers

PCRE2 (PHP >=7.3)
noosbox.com
Submitted by anonymous - 3 months ago
1

Match URL Fragment

PCRE2 (PHP >=7.3)
onerandomb.com
Submitted by anonymous - 3 months ago
1

Match Valid HTML Attributes with Values

PCRE2 (PHP >=7.3)
thedigitaldozen.com
Submitted by anonymous - 3 months ago
1

Match Valid Currency Symbols

PCRE2 (PHP >=7.3)
43Church.com
Submitted by anonymous - 3 months ago
1

Match JSON Arrays

PCRE2 (PHP >=7.3)
43Church.com
Submitted by anonymous - 3 months ago
1...312313314315316...900

Community Library Entry

0

Regular Expression
Python

r"
(^(>|<)?(\d+)(\.\d+)?(\.\d+)?$| ^(\d+)(\.\d+)?(\.\d+)?-(\d+)(\.\d+)?(\.\d+)?$)
"
gm
Open regex in editor

Description

Python regex to get version numbers, including if the version number specifies a range such as 1.0-2.0 or >1.0

Submitted by jhylands - 3 years ago