The [System.String.Trim](<https://msdn.microsoft.com/en-us/library/t97s7bs3(v=vs.110).aspx>) method can be used to remove all leading and trailing white-space characters from a string:

string s = "     String with spaces at both ends      ";
s = s.Trim(); // s = "String with spaces at both ends"

In addition:

• To remove white-space only from the beginning of a string use: [System.String.TrimStart](<https://msdn.microsoft.com/en-us/library/system.string.trimstart(v=vs.110).aspx>)
• To remove white-space only from the end of a string use: [System.String.TrimEnd](<https://msdn.microsoft.com/en-us/library/system.string.trimend(v=vs.110).aspx>)

Substring to extract part of a string.

The [System.String.Substring](<https://msdn.microsoft.com/en-us/library/hxthx5h6(v=vs.110).aspx>) method can be used to extract a portion of the string.

string s ="A portion of word that is retained";
s=str.Substring(26);  //s="retained"

s1 = s.Substring(0,5);  //s="A por"