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Regular Expression Details

Title Test Find user name
Expression
^[a-zA-Z0-9][a-zA-Z0-9-_.]{2,8}[a-zA-Z0-9]$
Description
This expression will validate user name with the following rules 1- It must start and end with a digit or character 2- It must be exactly 4 to 10 character long 3- Allowed Special Characters are _.-
Matches
1.ma | user | ma_mo-on.r
Non-Matches
_user | asfd@12 | user.
Author Rating: Not yet rated. Mamoon ur Rasheed
Source
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