C# || How To Validate A Phone Number Using C#

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The following is a module with functions which demonstrates how to validate a phone number using C#.

Not only does this function check formatting, but follows NANP numbering rules by ensuring that the first digit in the area code and the first digit in the second section are 2-9.

1. Validate Phone Number

The example below demonstrates the use of ‘Utils.Methods.IsValidPhoneNumber‘ to determine if a phone number is valid.

2. Utils Namespace

The following is the Utils Namespace. Include this in your project to start using!

3. More Examples

Below are more examples demonstrating the use of the ‘Utils‘ Namespace. Don’t forget to include the module when running the examples!

The highlighted lines are sections of interest to look out for.

The code is heavily commented, so no further insight is necessary. If you have any questions, feel free to leave a comment below.

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One Response to C# || How To Validate A Phone Number Using C#

  1. Avatar Adam says:

    Love this man! Really useful 🙂

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