Allow Only Upper and Lower Letters in the Mask

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  1. Eyup
    Eyup avatar
    11 posts
    Member since:
    Oct 2012

    Posted 04 Jul 2019 Link to this post


    Telerik Product and Version


    Supported Browsers and Platforms

    All browsers supported by Telerik UI for ASP .NET AJAX

    Programming language



    In some scenarios you may want to restrict users to enter nothing but letters. RadMaskedTextBox already provides built-in options to achieve that for upper and lower letters: But if you want to allow both for the mask part, you can use the implementation demonstrated in the attached web site sample.

    Upper and Lower Letters Mask
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