How to allow only three dots,all numbers and alphabets in a textbox

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.NET3.5

Im using text box for email in my windows application...while entering email address in the text box i want to allow only 3 dots in that text box...alphabets and numbers are allowed..please give the validation for that text box... for example:prem@yaoo.co.in.org

Posted 2-Nov-11 19:59pm

premkumar.r

Updated 2-Nov-11 20:00pm

Prerak Patel

v2

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Prerak Patel · Answer 1 · 2011-11-02T20:03:00

Solution 1

Use proper regex to fulfill your requirement. BTW, email address can also contain dot like prem.kumar@ym.co.in. Make your considerations clear, and tweak the regex to suit your need.

Email Address Validation Using Regular Expression[^]

Posted 2-Nov-11 20:03pm

Prerak Patel

Comments

premkumar.r 3-Nov-11 2:13am

Sir Before @ in the mail id i can able to add many dots..but after @ symbol i want to allow only three dots in it..more than three dots not allowed...Eg:prem.kumar@yahoo.co.in.org..i have to allow three dots after the @ symbol...