[Richard]

Originally Posted by dennispopel

$letters = trim(preg_replace('~([a-z])~i', '\\1 ', 'Friday'));
print_r($letters);

Otherwise there will be an extra space after the last letter.

Also, for more flixability, you could use

PHP Code:

$letters = [b]trim[/b](preg_replace('~([a-z])~i', '\\1 ', $theString)); 

print_r($letters); 

Then set whatever value you like to $theString.