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Asked: 2026-05-16T12:12:47+00:00

I have a string when a telephone number is inputted – there is a

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I have a string when a telephone number is inputted – there is a mask so it always looks like “(123) 456-7890” – I’d like to take the formatting out before saving it to the DB.

How can I do that?

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1 Answer

  1. Editorial Team

    One possibility using linq is:

    string justDigits = new string(s.Where(c => char.IsDigit(c)).ToArray());

    Adding the cleaner/shorter version thanks to craigmoliver

    string justDigits = new string(s.Where(char.IsDigit).ToArray())
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