Format Phone Number : Match « Regular Expressions « C# / C Sharp

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C# / C Sharp » Regular Expressions » MatchScreenshots 
Format Phone Number
   
///////////////////////////////////////////////////////////////////////////////////////////////
//
//    This File is Part of the CallButler Open Source PBX (http://www.codeplex.com/callbutler
//
//    Copyright (c) 2005-2008, Jim Heising
//    All rights reserved.
//
//    Redistribution and use in source and binary forms, with or without modification,
//    are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright notice,
//      this list of conditions and the following disclaimer.
//
//    * Redistributions in binary form must reproduce the above copyright notice,
//      this list of conditions and the following disclaimer in the documentation and/or
//      other materials provided with the distribution.
//
//    * Neither the name of Jim Heising nor the names of its contributors may be
//      used to endorse or promote products derived from this software without specific prior
//      written permission.
//
//    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
//    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//    IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
//    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
//    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
//    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
//    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//    POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////////////////////////

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
    {
        /// <summary>
        /// Determines whether the supplied <paramref name="number"/> is an integer.
        /// </summary>
        /// <param name="number">The object to check.</param>
        /// <returns>
        /// <see lang="true"/> if the supplied <paramref name="number"/> is an integer.
        /// </returns>
        public static bool IsInteger(object number)
        {
            return (number is Int32 || number is Int16 || number is Int64 || number is UInt32
                || number is UInt16 || number is UInt64 || number is Byte || number is SByte);
        }

        /// <summary>
        /// Determines whether the supplied <paramref name="number"/> is a decimal number.
        /// </summary>
        /// <param name="number">The object to check.</param>
        /// <returns>
        /// <see lang="true"/> if the supplied <paramref name="number"/> is a decimal number.
        /// </returns>
        public static bool IsDecimal(object number)
        {

            return (number is Single || number is Double || number is Decimal);
        }

        /// <summary>
        /// Determines whether the supplied <paramref name="number"/> is of numeric type.
        /// </summary>
        /// <param name="number">The object to check.</param>
        /// <returns>
        ///   <c>true</c> if the specified object is of numeric type; otherwise, <c>false</c>.
        /// </returns>
        public static bool IsNumber(object number)
        {
            return (IsInteger(number|| IsDecimal(number));
        }
        public static string FormatPhoneNumber(string inputString)
        {
            string outputNumber = "";
            string numberString = "";

            // Remove any spaces
            //inputString = inputString.Replace(" ", "");

            // Get number count
            int numberCount = 0;

            foreach (Char numberChar in inputString)
            {
                if (Char.IsNumber(numberChar))
                {
                    numberCount++;
                    numberString += numberChar.ToString();
                }
            }

            if (Regex.IsMatch(inputString, @"(?<First>2[0-4]\d|25[0-5]|[01]?\d\d?)\.(?<Second>2[0-4]\d|25[0-5]|[01]?\d\d?)\.(?<Third>2[0-4]\d|25[0-5]|[01]?\d\d?)\.(?<Fourth>2[0-4]\d|25[0-5]|[01]?\d\d?)"))
            {
                outputNumber = inputString;
            }
            else if (numberCount == 7)
            {
                outputNumber = numberString.Substring(03"-" + numberString.Substring(34);
            }
            else if (numberCount == 10)
            {
                outputNumber = "(" + numberString.Substring(03") " + numberString.Substring(33"-" + numberString.Substring(64);
            }
            else if (numberCount == 11)
            {
                outputNumber = numberString.Substring(01" (" + numberString.Substring(13") " + numberString.Substring(43"-" + numberString.Substring(74);
            }
            else
                outputNumber = inputString;

            return outputNumber;
        }
    }
}

   
    
    
  
Related examples in the same category
1.Regular expressions: MatchRegular expressions: Match
2.Use regualr expression to check if a string is a GUID
3.Count lines in a string with regular expression
4.Validates the phone number with regular expression
5.Validates the area code with regular expression
6.Validates the exchange code with regular expression
7.Validates the local 4 digit phone number with regular expression
8.Get Area Code by using Regular expression
9.Clean Telephone Number with Regular expression
10.Remove Nulls with Regex
11.Provides static validation methods for strings.
12.Replace string with regular expression
13.Checks if name matches pattern with '?' and '*' wildcards.
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