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ThisIf you really want to do this with Regex, this probably would do the trick for you
String str = " \n a b c \n 1 2 3 \n x y z "; str = str.replaceAll("^\s|\s$|\\n""^\\s|\n\\s|\\s$", "");
This probably would do the trick for you
str.replaceAll("^\s|\s$|\\n", "");
If you really want to do this with Regex, this probably would do the trick for you
String str = " \n a b c \n 1 2 3 \n x y z "; str = str.replaceAll("^\\s|\n\\s|\\s$", "");
