so you have a string and you want to replace a recurring character, use this to do it:

String Example: var string = "a-string-with-dashes.txt";

var string = "a-string-with-dashes.txt";
string = string.replace(/-/g , " ");

string should now = a string with dashes.txt

String Test

You can edit the following strings to test or just run it to see the result.

String to Replace:

Result:

Run Replace