How to Remove the last char of String in C

Question

I have a numeric string  which may be  124322  or  1231 232  or  132123 00   I want to remove the last char of my string  whatever it is   So I want if my string is  99234  became  9923     The length of string is variable  It s not constant so I can not use string Remove or trim or some like them I Think    How do I achieve this

User · Answer

var input    12342   var output   input Substring 0  input Length - 1      or  var output   input Remove input Length - 1

User · Answer

newString   yourString Substring 0  yourString length -1

User · Answer

YourString   YourString Remove YourString Length - 1

User · Answer

If you are using string datatype  below code works   string str   str Remove str Length - 1       But when you have StringBuilder  you have to specify second parameter length as well     That is    string newStr   sb Remove sb Length - 1  1  ToString         To avoid below error

User · Answer

If this is something you need to do a lot in your application  or you need to chain different calls  you can create an extension method    public static String TrimEnd this String str  int count        return str Substring 0  str Length - count       and call it   string oldString       Hello    string newString   oldString Trim 1     returns     Hello    or chained   string newString   oldString Substring 3  Trim 1      returns  Hello

[c#] How to Remove the last char of String in C#?

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