How to match words in different languages by JavaScript regexp?

Question

I have a strings in different languages. I need to get only characters without numbers, '-', '/', ')', ... But seams JavaScript regexp '\\w' matches only English.
http://jsfiddle.net/d9BRC/

Answer 1

After a bit of research, it seems \\w does not handle unicode characters, you can do this with \\p{L} (Letters), but again javascript does not support this.

Here is a solution , taken from this answer