How to remove anything in a string after “-”?

Question

This is the example of my string.

$x = \"John Chio - Guy\";
$y = \"Kelly Chua - Woman\";

I need the pattern for the reg replace.

Answer 1

I hope these patterns will help you =]

$pattern1='/.+(?=\s-)/'       //This will match the string before the " -";
$pattern2='/(?<=\s-\s).+/'    //This will match the string after the "- ";