PHP : Remove words less than 3 characters in unicode text

Question

I use these regex to remove words less than 3 characters :

$str = preg_replace(\"!\\\\b\\\\w{1,3}\\\\b!\", \"\", $str);  

and

$         


        

Answer 1

Use the u modifier for UTF-8 support:

/\b\w{1,2}\b/u