Replace substring not working

Question

I am working in asp.net mvc. want to replace \ character to / character. But it is not working. Let

string path="D:\Qamar\Cartoons\Image.jpg";
path=path.Replace("\","/");

I get error in second line. Please help how to replace.

http://stackoverflow.com/questions/4673437/c-sharp-replace-characters might help you. — Mogli, May 15 '13 at 07:32
_"I get error in second line."_ - it would be nice if you explained what kind of error. It's not the replace that's not working, you get a compile error. — CodeCaster, May 15 '13 at 07:47

score 4 · Answer 1 · answered May 15 '13 at 07:29

4

Try this:

string path="D:\Qamar\Cartoons\Image.jpg";
path=path.Replace("\\","/");

You need to escape the backslash in the first argument for it to be treated as...a backslash (i.e. "\\" instead of "\").

answered May 15 '13 at 07:29

J0e3gan

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Or use `@` in front of the string to make it a verbatim string. – Tieson T. May 15 '13 at 07:29
1

+1, you beat me by 20 second lol – Raver0124 May 15 '13 at 07:30
@Raver0124: :) LOL It happens (to me too). :} – J0e3gan May 15 '13 at 07:32
@TiesonT.: +1 for an excellent point about another way to do it. I just tend to be escaping-backslash happy from so much exposure to `"\0"` in C years ago. :} – J0e3gan May 15 '13 at 07:33

score 1 · Answer 2 · answered May 15 '13 at 07:29

1

You need to escape back-slashes. The easiest way is to prefix your string with @:

path=path.Replace(@"\","/");

Another method is to escape it with another backslash:

path=path.Replace("\\","/");

answered May 15 '13 at 07:29

Kenneth

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score 1 · Answer 3 · answered May 15 '13 at 07:29

1

try this

th=path.Replace("\\","/")

answered May 15 '13 at 07:29

Raver0124

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score 0 · Answer 4 · answered May 15 '13 at 07:29

0

\ is a special escape character in string literals in c#. You can precede the string with @ to make it verbatim or escape the \ with another \:

path=path.Replace(@"\","/");

or

path=path.Replace("\\","/");

answered May 15 '13 at 07:29

Jan

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Damith · Answer 5 · 2013-05-15T07:59:30.457

\ is escape character, so your code will not even compile use @ or \\ to make the code compile. then it will work

string path=@"D:\Qamar\Cartoons\Image.jpg";
path=path.Replace(@"\","/");

or

string path="D:\\Qamar\\Cartoons\\Image.jpg";
path=path.Replace("\\","/");

but if you are working with Path or URI you can use the inbuilt C# methods to do it like below

System.Uri uri1 = new Uri(@"D:\Qamar\Cartoons\Image.jpg");
string whatYouWant = uri1.AbsolutePath; //Result is: "D:/Qamar/Cartoons/Image.jpg"

Replace substring not working

5 Answers5