#!/usr/bin/ruby

var str = 'hello';
var re = ('^'+str+'\h+(?i:world)\z' -> to_regex);

if (!'hello  WoRlD'.match(re)) {
    "Regex didn't matched!\n".die;
}

if('Hell  WoRlD' =~ re) {
    "Regex shouldn't match!\n".die;
}

say "Test passed!";
