In a similar way to how the Math object extends what you can do with numbers, RegExp objects extend what you can do with strings by adding the abiliity to ...
Regular Expression back references and capturing groups.
All of the regular expressions we have looked at so far will process the text that we are comparing the expression to as if it were a single line. This will work fine ...
How to make a regular expression group non-capturing.
Regular Expressions and matching on the longest or shortest.
What methods are available for the RegExp object.: regular expression pattern sans serif font expression objects meta characters method tests.