Regular Expressions 101

Sponsors

Library entries

5
javascript

MAC address

a mac address separated by dashes or colons.
Submitted by anonymous - 7 years ago
5
javascript

password 1upper 1lower 1number 1specialcharater

fjk@1Qaa$
Submitted by Anuswadh - 7 years ago
5
python

Form Tag

Form Tag
Submitted by Jay Patel - 7 years ago
5
python

psswd

no description available
Submitted by anonymous - 7 years ago
5
python

Match Only Text

no description available
Submitted by anonymous - 7 years ago
4
javascript

Repeated words (JS)

no description available
Submitted by paconaranjo - 9 years ago
4
javascript

url matching

supports all major protocols
Submitted by matheus silva - 8 years ago

us postal/zip

Vote

13

Regular Expression
javascript

/
(^[0-9]{4}?[0-9]$|^[0-9]{4}?[0-9]-[0-9]{4}$)
/
gm

Description

Loading markdown...
Submitted by jay johnson - 9 years ago