I have a java string with "\\" character (extra '\' for escaping). I want to replace all the occurence of "\\" to "\". Any idea how it can be done? str.replaceAll("\\", "\") does not work. The problem is in replacing the \ character.
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Is your string 'my\string' or 'my\\string'. Do you want to replace one or two slashes?Luchian Grigore– Luchian Grigore2011-12-02 10:45:20 +00:00Commented Dec 2, 2011 at 10:45
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"my\string" is invalid in java. its definitely "my\\string".Anand– Anand2011-12-02 10:46:42 +00:00Commented Dec 2, 2011 at 10:46
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I'm not talking about the java string. If in java you have String x = "my\\string", the actual logical string is "my\string", right?Luchian Grigore– Luchian Grigore2011-12-02 10:47:47 +00:00Commented Dec 2, 2011 at 10:47
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@LuchianGrigore thats correct!Anand– Anand2011-12-02 10:48:59 +00:00Commented Dec 2, 2011 at 10:48
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2 Answers
str.replaceAll("\\\\", "\")
"\" means \ cause of \ is an escape symbol
heh, even stackoverflow parser converts \ \ (without spaces) to single \ :-))
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From the Java documentation:
Note that backslashes (
\) and dollar signs ($) in the replacement string may cause the results to be different than if it were being treated as a literal replacement string; seeMatcher.replaceAll. UseMatcher.quoteReplacement(java.lang.String)to suppress the special meaning of these characters, if desired.
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sehe
Oh irony... fixed the escaping issues in your answer!