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Home/ Questions/Q 7402173
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Editorial Team
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Editorial Team
Asked: May 29, 20262026-05-29T04:40:36+00:00 2026-05-29T04:40:36+00:00

I have asp.net(c#) web form with html input text(first name) how i can check

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I have asp.net(c#) web form with html input text(first name) how i can check if string contains symbols, numbers, unicode text, space with c#
or its more easier with html?

I want to user entered only first name

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  1. Editorial Team
    Editorial Team
    2026-05-29T04:40:36+00:00Added an answer on May 29, 2026 at 4:40 am

    This regular expression will only match on one or more ASCII characters:

    ^[A-Za-z]+$
    

    You can use the above in either Javascript or .NET.

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