$(document).ready(function(){

module("About Regular Expressions (topics/about_regular_expressions.js)");

test("exec", function() {

var numberFinder = /(\d).*(\d)/;

var results = numberFinder.exec("what if 6 turned out to be 9?");

ok(results.equalTo([__, __, __]), 'what is the value of results?');

});

test("test", function() {

var containsSelect = /select/.test(" select * from users ");

equals(containsSelect, __, 'does the string provided contain "select"?');

});

test("match", function() {

var matches = "what if 6 turned out to be 9?".match(/(\d)/g);

ok(matches.equalTo([__, __]), 'what is the value of matches?');

});

test("replace", function() {

var pie = "apple pie".replace("apple", "strawberry");

equals(pie, __, 'what is the value of pie?');

pie = "what if 6 turned out to be 9?".replace(/\d/g, function(number) { // the second parameter can be a string or a function

var map = {'6': 'six','9': 'nine'};

return map[number];

});

equals(pie, __, 'what is the value of pie?');

});

// THE END

});