Regular Expressions 101

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12

Regular ExpressionOpen Workspace

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

Description
Created·2015-10-16 15:44
Type·Match
Flavor·JavaScript

no description available

Submitted by Gianvy
Open Workspace