str_replace for * .....

<?php
$keyword="Hello(greh) thank(rthvf) you(rthvf)";

$keyword = str_replace("(*)", "", "$keyword");// "*" in stead of (any words) ??

echo "$keyword";
?>
I'd like to print

anyone can help me, thank you

 

You can't do this with str_replace(). You need the power of regular expressions to do it:

$keyword = preg_replace('%\([^()]*\)%s', '', $keyword);

 

it can work.
thank you so much.

 

You will need regex

 

thanks for share this information .. its really beneficial for me....