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To get substring having last 4 chars first check the length of string. If string length is greater than 4 then substring(int beginIndex) method. This method takes index position as method argument and return the complete string from that specified index.
To get the substring after a specific character, call the substring() method, passing it the index after the character's index as a parameter. The substring method will return the part of the string after the specified character. Copied! We used the String.
“javascript slice string after character” Code Answer'svar string = "55+5"; // Just a variable for your input. character as a delimiter. Then it gets the first element of the split string.
Split(char[], StringSplitOptions) Method This method is used to splits a string into substrings based on the characters in an array. You can specify whether the substrings include empty array elements. Syntax: public String[] Split(char[] separator, StringSplitOptions option);
You can get the position of the last - with str.LastIndexOf('-'). So the next step is obvious:
var result = str.Substring(str.LastIndexOf('-') + 1);
Correction:
As Brian states below, using this on a string with no dashes will result in the same string being returned.
You could use LINQ, and save yourself the explicit parsing:
string test = "9586-202-10072";
string lastFragment = test.Split('-').Last();
Console.WriteLine(lastFragment);
I can see this post was viewed over 46,000 times. I would bet many of the 46,000 viewers are asking this question simply because they just want the file name... and these answers can be a rabbit hole if you cannot make your substring verbatim using the at sign.
If you simply want to get the file name, then there is a simple answer which should be mentioned here. Even if it's not the precise answer to the question.
result = Path.GetFileName(fileName);
see https://msdn.microsoft.com/en-us/library/system.io.path.getfilename(v=vs.110).aspx
string tail = test.Substring(test.LastIndexOf('-') + 1);
YourString.Substring(YourString.LastIndexOf("-"));
string atest = "9586-202-10072";
int indexOfHyphen = atest.LastIndexOf("-");
if (indexOfHyphen >= 0)
{
string contentAfterLastHyphen = atest.Substring(indexOfHyphen + 1);
Console.WriteLine(contentAfterLastHyphen );
}
See String.lastIndexOf method
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