Different Browsers Handle Regex Differently

Hi, I've just found a weird behaviour about handling regular expressions.

Chrome

This world's most popular browser takes French accents (e.g. é, à, û) as word characters therefore \w matches é, à or û. However other browser such as Firefox and Safari, they takes French accents as nonword characters therefore \w won't match é, à neither û. If you want to write match pattern safely, you will have to be explicit for French accents i.e. write pattern this way a-zàâäèéêëîïôœùûüÿç to match French accents. So don't count on Chrome too much as this browser is sometimes too nice to be used for development. This browser is really hardworking and it covers minor errors without complaining.