How to split Tamil characters in a string in PHP

How do I split Tamil characters in a string?

When I use preg_match_all('/./u', $str, $results) ,

Objective-C: unichar vs. char

I'm a little confused between a unichar and a char. Can I treat unichar's similar to char's?

Unicode character in PHP string

This question looks embarrasingly simple, but I haven't been able to find an answer.

Why does Java allow control characters in its identifiers?

The Mystery

In exploring precisely which characters were permitted in Java identifiers, I have stumbled upon something so extremely curious that it seems nearly certain to be a bug.

Reading Unicode characters from MySQL with PHP

I've inherited a MySQL database which contains a field named Description of type text and collation of latin1_swedish_ci .