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Editorial Team
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Asked: 2026-05-25T16:52:41+00:00

I have String a = data=\0\1\1\1\1\0\0\0\0\0\0\1\1\1\1\0\0\0\0\0\1\1\1\1\1\\\\; How can i replace to \ and \

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I have 

String a = "data=\"0\"1\"1\"1\"1\"0\"0\"0\"0\"0\"0\"1\"1\"1\"1\"0\"0\"0\"0\"0\"1\"1\"1\"1\"1\\\\";

How can i replace

  • " to \"
  • and \ to \\

?

String result = a.replace("\"", "\\\"");

OR

String result = a.replace(""", "\"");
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1 Answer

  1. Editorial Team
    String result = a.replace("\\","\\\\").replace("\"", "\\\"");

    This would first replace all \ with \\ and then all " with \" if that is what you want.

    Note that doing it the other way round would result in " being replaced with \\" in the end, since first it get replaced with \" and then the \ would be replaced with \\ resulting in \\".

    Additional note: your data string is not well-formed and should not compile: it ends in \" which is not a valid string literal delimiter (the literal ends in \\\\\" which would be the string data \\") – change that to an even number of slashes or add another " to the end in order to fix that.

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