I know a few ways of how to check if a string contains only digits:
RegEx, int.parse, tryparse, looping, etc.
Can anyone tell me what the fastest way to check is?
I need only to CHECK the value, no need to actually parse it.
By “digit” I mean specifically ASCII digits: 0 1 2 3 4 5 6 7 8 9.
This is not the same question as Identify if a string is a number, since this question is not only about how to identify, but also about what the fastest method for doing so is.