Regular Expressions 101

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Library entries

7
javascript

Date and time format - ISO 8601

Matches ISO 8601 date formats
Submitted by Ettienne - 7 years ago
6
javascript

Password

no description available
Submitted by anonymous - 9 years ago
6
python

Find consecutive duplicate words

no description available
Submitted by anonymous - 7 years ago
6
javascript

Email with + symbol

email that accepts the plus (+) symbol
Submitted by luckcheese - 7 years ago
6
javascript

HTML img

Grabs all HTML tags
Submitted by Pirate11 - 7 years ago
6
javascript

Email

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

Hello world !

no description available
Submitted by Fedir RYKHTIK - 9 years ago
5
javascript

Accept url without www

no description available
Submitted by anonymous - 9 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