Switch to non-unicode string literals
Switch to non-unicode string literals

This switches the regular expression string to use ascii representations of the unicode chars.

Fixes #1608

bitwiseman/js-beautify,beautify-web/js-beautify,bitwiseman/js-beautify,beautify-web/js-beautify,beautify-web/js-beautify,beautify-web/js-beautify,bitwiseman/js-beautify,bitwiseman/js-beautify