tasks a-s

Task/Regular-expressions/JavaScript/regular-expressions-1.js

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+var subject = "Hello world!";
+
+// Two different ways to create the RegExp object
+// Both examples use the exact same pattern... matching "hello"
+var re_PatternToMatch = /Hello (World)/i; // creates a RegExp literal with case-insensitivity
+var re_PatternToMatch2 = new RegExp("Hello (World)", "i");
+
+// Test for a match - return a bool
+var isMatch = re_PatternToMatch.test(subject);
+
+// Get the match details
+//    Returns an array with the match's details
+//    matches[0] == "Hello world"
+//    matches[1] == "world"
+var matches = re_PatternToMatch2.exec(subject);

Task/Regular-expressions/JavaScript/regular-expressions-2.js

@@ -0,0 +1,5 @@
+var subject = "Hello world!";
+
+// Perform a string replacement
+//    newSubject == "Replaced!"
+var newSubject = subject.replace(re_PatternToMatch, "Replaced");