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 ");

equal(true, 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([6, 9]), 'what is the value of matches?');

// });

test("replace", function() {

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

equal("strawberry pie", 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];

});

equal("what if six turned out to be nine?", pie, 'what is the value of pie?');

});

// THE END