Java regex replaceAll multiline

Question

I have a problem with the replaceAll for a multiline string:

String regex = \"\\\\s*/\\\\*.*\\\\*/\";
String testWorks = \" /** this should be replaced **/ j         


        

Answer 1

You need to use the Pattern.DOTALL flag to say that the dot should match newlines. e.g.

Pattern.compile(regex, Pattern.DOTALL).matcher(testIllegal).replaceAll("x")

or alternatively specify the flag in the pattern using (?s) e.g.

String regex = "(?s)\\s*/\\*.*\\*/";