Reviewed-by: chegar, ksrini

Summary: fixed the incorrect implementation in expr(...)
Reviewed-by: psandoz, alanb

7014640: To add a metachar \R for line ending and character classes for vertical/horizontal ws \v \V \h \H
Summary: added propsoed constructs
Reviewed-by: alanb

Summary: Updated to throw IAE instead.
Reviewed-by: lancea

Summary: updated RemoveQEQuotation() to deal with this case correctly
Reviewed-by: sherman
Contributed-by: stephen.flores@oracle.com

Summary: updated the regex Unicode property support
Reviewed-by: alanb

Reviewed-by: dholmes

Summary: Added the construct \x{...} for Unicode hex notation support
Reviewed-by: alanb, okutsu

Reviewed-by: xdono

Reviewed-by: darcy, weijun

6948903: Make Unicode scripts available for use in regular expressions
Summary: added Unicode script suport
Reviewed-by: martin

Summary: update to the correct bugid
Reviewed-by: martin

Summary: To use StartS for complement category/block class
Reviewed-by: martin, okutsu

Summary: Updated the syntax of the newly added named capture group
Reviewed-by: martin, alanb

Summary: Need accept the digit as the first char of the group name
Reviewed-by: alanb

6676425: Opensource unit/regression tests for java.util.regex
Summary: Added "named capturing group" into regex. Moved most of reg/unit tests to openjdk.
Reviewed-by: alanb, okutsu