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Home/ Questions/Q 6992501
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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T19:38:32+00:00 2026-05-27T19:38:32+00:00

i am using \w+([-+.’]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)* regex to validate email id in my asp.net web application

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i am using \w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)* regex to validate email id in my

asp.net web application and this regular expression is provided by visual studio 2010

in their regular expression validator but if i entered 99@99.com then it is not showing any

error message.

so i just want to confirm that is it a valid email id?

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  1. Editorial Team
    Editorial Team
    2026-05-27T19:38:33+00:00Added an answer on May 27, 2026 at 7:38 pm

    Yes, it’s valid. RFC5321 and 5322 (section 3.4.1 specifically) define the local and domain parts of the email address, and both of them allow digits in any position.

    Wikipedia has some more details.

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