Regular Expressions 101

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Library entries

3
javascript

IPv4 validation

validate an IP v4
Submitted by harimambura - 6 years ago
3
pcre

JSON recognition

no description available
Submitted by anonymous - 6 years ago
3
javascript

email

no description available
Submitted by anonymous - 6 years ago
3
python

Capture Query Strings

A solution for capture query params.
Submitted by Rafael Laurindo - 6 years ago
3
python

Email

Python
Submitted by anonymous - 6 years ago

userName

Vote

22

Regular Expression
pcre

/
^(?=.*[a-zA-Z]{1,})(?=.*[\d]{0,})[a-zA-Z0-9]{1,15}$
/

Description

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Submitted by gsanchezc - 7 years ago