Why string.Replace("X","Y") works only when assigned to new string?

Posted by Petr on Stack Overflow See other posts from Stack Overflow or by Petr
Published on 2010-06-01T13:07:16Z Indexed on 2010/06/01 13:13 UTC
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Hi, I guess it has to do something with string being a reference type but I dont get why simply string.Replace("X","Y") does not work? Why I need to do `string A=stringB.Replace("X","Y") I thought it is just a method to be done on specified instance? Thanks for explanation

EDIT: Thank you so far. I extend my question> Why "b+="FFF"works but the b.replace is not?

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