A Group is a piece of a regular expression (referenced by some Java field or
local variable) that forms a "capturing group" within the larger regular
expression. A Group is bound to a regular expression MetaPattern when a
matcher is retrieved for the pattern by calling one of the matcher() methods.
Once bound, a Group cannot be rebound.
author: Jonathan Locke
Binds this capture expression if not already bound.
Parameters: bindTo - The group to bind to throws: GroupAlreadyBoundException - Thrown if this Group is already bound
Threadsafe method to retrieve contents of this captured group.
Parameters: matcher - The matcher from which to retrieve this Group's group The captured characters