That's sex.PHP Code:
<?php
$string = "Hello World"; //Our string
$match = "/\bHello\b/i"; //Our compare for the word Hello
if(preg_match($match, $string) !==0); //Checks for match
echo "Success! There's a match!"; //If they match, says success!
}
else { //No match
echo "Sorry, no match found";
}
?>