Remove last specific character in a string c

Question

I use WinForms c  I have string value like below   string Something    1 5 12 34      I need to remove last comma in a string  So How can i delete it

User · Answer

Or you can convert it into Char Array first by:

string Something = "1,5,12,34,";
char[] SomeGoodThing=Something.ToCharArray[];

Now you have each character indexed:

SomeGoodThing[0] -> '1'
SomeGoodThing[1] -> ','

Play around it

User · Answer

Try below  Something  TrimEnd     ToCharArray

User · Answer

Try string TrimEnd     Something   Something TrimEnd

User · Answer

Try string Remove     string str    1 5 12 34    string removecomma   str Remove str Length-1   MessageBox Show removecomma

User · Answer

When you have spaces at the end  you can use beliow  ProcessStr   ProcessStr Replace  quot   quot    quot  quot    Emails       ProcessStr TrimEnd

User · Answer

King King s answer is of course right  Also Tim Schmelter s comment is also good suggestion in your case   But if you want really remove last comma in a string  you should find the index of last comma and remove like   string s    1 5 12 34 12345   int index   s LastIndexOf       Console WriteLine s Remove index  1      Output will be   1 5 12 3412345   Here a demonstration   It is too unlikely you want this way but I want to point it  And remember  String Remove method doesn t remove any character in original string  it returns new string

User · Answer

The TrimEnd method takes an input character array and not a string  The code below from Dot Net Perls  shows a more efficient example of how to perform the same functionality as TrimEnd    static string TrimTrailingChars string value        int removeLength   0      for  int i   value Length - 1  i  gt   0  i--                char let   value i           if  let           let           let                               removeLength                      else                       break                      if  removeLength  gt  0                return value Substring 0  value Length - removeLength             return value

User · Answer

Dim psValue As String    1 5 12 34 123 12  psValue   psValue Substring 0  psValue LastIndexOf         output   1 5 12 34 123

[c#] Remove last specific character in a string c#

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