Standard C# variable for whitespace?

Question

Is there any standard C# variable for whitespace? Something similar to Environment.NewLine. I didn't find anything online. I want to find the index of a whitespace in a given string.

For example

I can do string.indexOf(" ")

But I was wondering if there is anything in-built variable in C#.

Adding more to your question might aid others in helping. Why do you need something to provide whitespace? What have you attempted or looked at? — confusedandamused, Mar 30 '18 at 22:38
What all do you consider whitespace? Just space and horizontal tab? — itsme86, Mar 30 '18 at 22:52
If you want only space, what you have is fine, or, if you want to use a C# defined value, try the answer provided by Mustafa Çetin below. As pointed out by itsme86 "white space" can mean more than a single space. This is also covered by Jon Skeet in an answer to a similar question here: https://stackoverflow.com/questions/11019561/how-to-correctly-represent-a-whitespace-character — user7396598, Mar 30 '18 at 22:58
The only reason Newline exists is because it is actually variable, operating systems do no agree about what a line-ending should look like. Nobody disagrees about an ascii space. Or the many Unicode spaces. I probably should not mention the [Space() method](https://msdn.microsoft.com/en-us/library/microsoft.visualbasic.strings.space(v=vs.110).aspx) in everybody's favorite utility namespace, that would be gauche. — Hans Passant, Mar 30 '18 at 23:58

score 2 · Answer 1 · answered Mar 30 '18 at 22:52

2

I am not sure if there in-built variable or function but maybe this can help you

int indexOfWhiteSpace(string input) {
    for (var i = 0; i < input.Length; i++) {
        if (char.IsWhiteSpace(input[i])) {
            return i;
        }
    }
    return -1;
}

answered Mar 30 '18 at 22:52

Mustafa Çetin

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OP should note that this is more than just a space - https://msdn.microsoft.com/en-us/library/system.char.iswhitespace(v=vs.110).aspx – Matt Mar 30 '18 at 23:36
But he already want more than just a space so what is problem. I didt understand what you mean – Mustafa Çetin Mar 31 '18 at 10:55

score 0 · Answer 2 · answered Mar 30 '18 at 23:47

An alternative would be

text.TakeWhile(c => !char.IsWhiteSpace(c)).Count();

Although just seen that you said it's only space you are after so I think your original code is fine. I guess you could do:

test.IndexOf(' ');

Which would keep it to a single character (but probably make little difference other than ensure you didn't accidentally type two spaces!)

Standard C# variable for whitespace?

2 Answers2