This class is a collection of
the captured
groups in a regular expression. A GroupCollection
is indexed by either a string with the name of the capture group, or
with an integer number of the capture group as determined in the
regular expression (give a name to a capture group by putting
?<name> immediately after the opening
parenthesis). So, Match.Groups["name"] would
retrieve a capture from the subexpression
(?<name>expr), and
Match.Groups[1] would be the result from the first
explicitly grouped subexpression. The entire regular expression is
the zero-indexed group (an expression without any groupings is
treated as a single group). A GroupCollection is
returned by Match.Groups.
public class GroupCollection : ICollection, IEnumerable {
// Public Instance Properties
public int Count{get; }
// implements ICollection
public bool IsReadOnly{get; }
public bool IsSynchronized{get; }
// implements ICollection
public object SyncRoot{get; }
// implements ICollection
public Group this[string groupname]{get; }
public Group this[int groupnum]{get; }
// Public Instance Methods
public void CopyTo(Array array, int arrayIndex);
// implements ICollection
public IEnumerator GetEnumerator( );
// implements IEnumerable
}