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Regular expression for username

vidya sagar
Ranch Hand

Joined: Mar 02, 2005
Posts: 580
Hi all

I am trying to validate username using validator rules

For my username, the requirements are

First character should be a-z,A-Z
Remaining characters can be a-z,A-Z,0-9,_

i want regular expression to include in the mask

I tried giving ^[a-zA-z]\d{1}[a-zA-Z0-9_]\d{2,25}

its not working,

Hope anyone correct me

Thanks in advance
vidya sagar
Ranch Hand

Joined: Mar 02, 2005
Posts: 580
I got it


^[a-zA-Z\.]{1}[a-zA-Z0-9_]{2,25}$

Sorry for the trouble
 
 
subject: Regular expression for username