Get last 3 characters of string

Question

How can I get only the last 3 character out from a given string    Example input  AM0122200204  Expected result  204

User · Accepted Answer

Many ways this can be achieved  Simple approach should be taking Substring of an input string  var result   input Substring input Length - 3    Another approach using Regular Expression to extract last 3 characters  var result   Regex Match input   quot    3   s   quot     Working Demo

User · Answer

The easiest way would be using Substring  string str    AM0122200204   string substr   str Substring str Length - 3     Using the overload with one int as I put would get the substring of a string  starting from the index int  In your case being str Length - 3  since you want to get the last three chars

[c#] Get last 3 characters of string

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