Clean Telephone Number with Regular expression

   

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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Xml;

namespace WOSI.Utilities
{
    public class StringUtils
    {
        public static string CleanTelephoneNumber(string inputString)
        {
            return Regex.Replace(inputString, @"[\(\)\-\.\s]", "");
        }
    }
}

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Clean Telephone Number with Regular expression : Match « Regular Expressions « C# / C Sharp

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