Regular Expression Validation

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Hello Friends,
I need validation expression for username that username must be start with a alpha character & contain only alphanumeric & . or _ characters.

Thanks In Advanced.
:)

Posted 4-Nov-11 21:30pm

dreamz9

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3 solutions

Solution 2

You may refer CodeProject Article for "Regular Expressions".

Learn Regular Expressions (RegEx) with Ease

Posted 4-Nov-11 21:37pm

RaisKazi

Solution 3

Try:

^[\w][\w\.&]+$

Get a copy of Expresso [^] - it's free, and it examines and generates Regular expressions.

Posted 4-Nov-11 21:59pm

OriginalGriff

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uspatel · Accepted Answer · 2011-11-04T21:35:00

Solution 1

see here
Same Discussion

Posted 4-Nov-11 21:35pm

uspatel

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P.Salini 5-Nov-11 4:37am

My 5:)