String Replace char char method in C

Question

How do I replace  n with empty space   I get an empty literal error if I do this   string temp   mystring Replace   n

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One caveat  in  NET the linefeed is   r n   So if you re loading your text from a file  you might have to use that instead of just   n   edit  as samuel pointed out in the comments    r n  is not  NET specific  but is windows specific

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String Replace   n       doesn t work because    is not a valid character literal   If you use the String Replace string  string  override  it should work   string temp   mystring Replace   n

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Found on Bytes com   string temp   mystring Replace   n     0        0  represents an empty char

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What about creating an Extension Method like this       public static string ReplaceTHAT this string s         return s Replace   n r             And then when you want to replace that wherever you want you can do this   s ReplaceTHAT      Best Regards

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I know this is an old post but  I d like to add my method   public static string Replace string text  string   toReplace  string replaceWith                foreach  string str in toReplace             text   text Replace str  replaceWith            return text          Example usage   string newText   Replace  This is an  r n  n an example    new string       r n     n

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Here is your exact answer     const char LineFeed     n       10 string temp   new System Text RegularExpressions Regex                    LineFeed                 Replace mystring  string Empty     But this one is much better    Specially if you are trying to split the lines  you may also use it with Split   const char CarriageReturn     r       13 const char LineFeed     n       10 string temp   new System Text RegularExpressions Regex                    string Format   0   1    CarriageReturn  LineFeed                  Replace mystring  string Empty

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gnomixa - What do you mean in your comment about not achieving anything  The following works for me in VS2005   If your goal is to remove the newline characters  thereby shortening the string  look at this           string originalStringWithNewline    12 n345      length is 6         System Diagnostics Debug Assert originalStringWithNewline Length    6           string newStringWithoutNewline   originalStringWithNewline Replace   n           new length is 5         System Diagnostics Debug Assert newStringWithoutNewline Length    5     If your goal is to replace the newline characters with a space character  leaving the string length the same  look at this example           string originalStringWithNewline    12 n345      length is 6         System Diagnostics Debug Assert originalStringWithNewline Length    6           string newStringWithoutNewline   originalStringWithNewline Replace   n            new length is still 6         System Diagnostics Debug Assert newStringWithoutNewline Length    6     And you have to replace single-character strings instead of characters because    is not a valid character to be passed to Replace string char

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This should work   string temp   mystring Replace   n          Are you sure there are actual  n new lines in your original string

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As replacing   n  with    doesn t give you the result that you want  that means that what you should replace is actually not   n   but some other character combination   One possibility is that what you should replace is the   r n  character combination  which is the newline code in a Windows system  If you replace only the   n   line feed  character it will leave the   r   carriage return  character  which still may be interpreted as a line break  depending on how you display the string   If the source of the string is system specific you should use that specific string  otherwise you should use Environment NewLine to get the newline character combination for the current system   string temp   mystring Replace   r n   string Empty     or   string temp   mystring Replace Environment NewLine  string Empty

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string temp   mystring Replace   n

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If you use  string temp   mystring Replace   r n       Replace   n          then you won t have to worry about where your string is coming from

User · Answer

string temp   mystring Replace   n   string Empty  Replace   r   string Empty     Obviously  this removes both   n  and   r  and is as simple as I know how to do it

[c#] String.Replace(char, char) method in C#

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