Remove characters before character

Question

How effectively remove all character in string that placed before character       Input  Amerika USA  Output  USA

User · Answer

string input    America USA  string output   input Substring input IndexOf        1

User · Answer

A couple of methods that  if the char does not exists  return the original string   This one cuts the string after the first occurrence of the pivot   public static string truncateStringAfterChar string input  char pivot                int index   input IndexOf pivot          if index  gt   0            return input Substring index   1                                  return input             This one instead cuts the string after the last occurrence of the pivot   public static string truncateStringAfterLastChar string input  char pivot                return input Split pivot  Last

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Extension methods I commonly use to solve this problem   public static string RemoveAfter this string value  string character                int index   value IndexOf character           if  index  gt  0                        value   value Substring 0  index                     return value             public static string RemoveBefore this string value  string character                int index   value IndexOf character           if  index  gt  0                        value   value Substring index   1                     return value

User · Answer

You could try this   string input    lala bla   output   input Split      Last

User · Answer

public string RemoveCharactersBeforeDot string s     string splitted s Split        return splitted splitted Length-1

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String input         int index   input IndexOf       if index  gt   0        return input Substring index   1       This will return the new word

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You can use the IndexOf method and the Substring method like so   string output   input Substring input IndexOf        1     The above doesn t have error handling  so if a period doesn t exist in the input string  it will present problems

[c#] Remove characters before character "."

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