checks if a string is null or empty or is made only of spaces : String Util « Data Types « C# / C Sharp






  1. C# / C Sharp
  2. Data Types
  3. String Util

checks if a string is null or empty or is made only of spaces

    
//CruiseControl is open source software and is developed and maintained by a group of dedicated volunteers. 
//CruiseControl is distributed under a BSD-style license.
//http://cruisecontrol.sourceforge.net/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;

namespace ThoughtWorks.CruiseControl.Core.Util
{
    /// <summary>
    /// Class with handy stirng routines
    /// </summary>
    public class StringUtil
    {

        /// <summary>
        /// checks if a string is null or empty or is made only of spaces 
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public static bool IsWhitespace(string input)
        {
            if (string.IsNullOrEmpty(input))
            {
                return true;
            }
            else
            {
                // Check each character to see if it is whitespace or not
                var isWhiteSpace = true;
                for (var loop = 0; loop < input.Length; loop++)
                {
                    if (!char.IsWhiteSpace(input[loop]))
                    {
                        isWhiteSpace = false;
                        break;
                    }
                }

                return isWhiteSpace;
            }
        }
   }
}








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