Community Patterns

Community Library Entry

12

Regular Expression
Created·2015-10-16 15:44
Flavor·ECMAScript (JavaScript)

/
^(?=.{3,20}$)(?![_.-])(?!.*[_.-]{2})[a-zA-Z0-9_-]+([^._-])$
/
Open regex in editor

Description

no description available

Submitted by Gianvy