Technique Example:
Manipulating Strings with JavaScript

Start with the string:

   Jack's birthday is 8/22

Replacing strings
Replace the string Jack with the string Jacques:

   Jacques's birthday is 8/22

Inserting strings
Insert the string also after the string is:

   Jacques's birthday is also 8/22

Extracting strings
Extract the string containing the date (month and day):

   8/22

Then extract just the string containing the day:

   22