Question

How to replace multiple spaces in string with a single space with C#

Answer 1

using System;
using System.Text.RegularExpressions;
 
class Program
{
    static string TrimMultiSpaces(string s) {
        return Regex.Replace(s, @"\s+", " ");
    }
     
    static void Main(string[] args)
    {
        string str = "              c# java c       c++ python         ";
  
        str = TrimMultiSpaces(str);
  
        Console.WriteLine("(" + str + ")");
    }
}
 
 
 
 
/*
run:
 
( c# java c c++ python )
 
*/

 

70+ SQL courses for beginners and professionals

Answer 2

using System;
using System.Text.RegularExpressions;

class Program
{
    static string TrimMultiSpaces(string s) {
        return Regex.Replace(s, @"\s+", " ");
    }
    
    static void Main(string[] args)
    {
        string s = "              c# java c       c++ python         ";
 
        s = TrimMultiSpaces(s.Trim());
 
        Console.WriteLine("(" + s + ")");
    }
}




/*
run:

(c# java c c++ python)

*/

 

70+ SQL courses for beginners and professionals

Answer 3

using System;
using System.Text.RegularExpressions;

class Program
{
   static string TrimMultiSpaces(string s) {
        Regex regex = new Regex("[ ]{2,}", RegexOptions.None);
 
        return regex.Replace(s, " ");
    }
    
    static void Main(string[] args)
    {
        string str = "              c# java c       c++ python         ";
 
        str = TrimMultiSpaces(str.Trim());
 
        Console.WriteLine("(" + str + ")");
    }
}




/*
run:

(c# java c c++ python)

*/

 

70+ SQL courses for beginners and professionals

Answer 4

using System;
using System.Text.RegularExpressions;
 
class Program
{
    static void Main() {
        string str = "   c#    c++  c  python              ";
 
        str = (Regex.Replace(str, @"\s+", " ")).Trim(); // replace multiple spaces
  
        Console.Write(str);
    }
}
 
 
 
/*
run:
 
c# c++ c python
 
*/

 

70+ SQL courses for beginners and professionals