Remove all non-“word characters” from a String in Java, leaving accented characters?

Question

Apparently Java\'s Regex flavor counts Umlauts and other special characters as non-\"word characters\" when I use Regex.

        \"TESTÜTEST\".replaceAll( \"         


        

Answer 1

I was trying to achieve the exact opposite when I bumped on this thread. I know it's quite old, but here's my solution nonetheless. You can use blocks, see here. In this case, compile the following code (with the right imports):

> String s = "äêìóblah"; 
> Pattern p = Pattern.compile("[\\p{InLatin-1Supplement}]+"); // this regex uses a block
> Matcher m = p.matcher(s);
> System.out.println(m.find());
> System.out.println(s.replaceAll(p.pattern(), "#"));

You should see the following output:

true

#blah

Best,