//
// Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This code is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License version 2 only, as
// published by the Free Software Foundation.
//
// This code is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// version 2 for more details (a copy is included in the LICENSE file that
// accompanied this code).
//
// You should have received a copy of the GNU General Public License version
// 2 along with this work; if not, write to the Free Software Foundation,
// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
// CA 95054 USA or visit www.sun.com if you need additional information or
// have any questions.
//
// --------------------------------------------------------
// This file contains test cases with supplementary characters for regular expressions.
// A test case consists of three lines:
// The first line is a pattern used in the test
// The second line is the input to search for the pattern in
// The third line is a concatentation of the match, the number of groups,
//     and the contents of the first four subexpressions.
// Empty lines and lines beginning with comment slashes are ignored.

// Test unsetting of backed off groups
^(\ud800\udc61)?\ud800\udc61
\ud800\udc61
true \ud800\udc61 1

^(\ud800\udc61\ud800)?\ud800\udc61\ud800
\ud800\udc61\ud800
true \ud800\udc61\ud800 1

^(\ud800\udc61\ud800\udc61(\ud800\udc62\ud800\udc62)?)+$
\ud800\udc61\ud800\udc61\ud800\udc62\ud800\udc62\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61\ud800\udc62\ud800\udc62\ud800\udc61\ud800\udc61 2 \ud800\udc61\ud800\udc61 \ud800\udc62\ud800\udc62

^(\ud800\udc61\ud800\udc61\ud800(\ud800\udc62\ud800\udc62\ud800)?)+$
\ud800\udc61\ud800\udc61\ud800\ud800\udc62\ud800\udc62\ud800\ud800\udc61\ud800\udc61\ud800
true \ud800\udc61\ud800\udc61\ud800\ud800\udc62\ud800\udc62\ud800\ud800\udc61\ud800\udc61\ud800 2 \ud800\udc61\ud800\udc61\ud800 \ud800\udc62\ud800\udc62\ud800

((\ud800\udc61|\ud800\udc62)?\ud800\udc62)+
\ud800\udc62
true \ud800\udc62 2 \ud800\udc62

((\ud800|\ud800\udc62)?\ud800\udc62)+
\ud800\udc62
true \ud800\udc62 2 \ud800\udc62

(\ud800\udc61\ud800\udc61\ud800\udc61)?\ud800\udc61\ud800\udc61\ud800\udc61
\ud800\udc61\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61\ud800\udc61 1

(\ud800\udc61\ud800\udc61\ud800\ud800\udc61)?\ud800\udc61\ud800\udc61\ud800\ud800\udc61
\ud800\udc61\ud800\udc61\ud800\ud800\udc61
true \ud800\udc61\ud800\udc61\ud800\ud800\udc61 1

^(\ud800\udc61\ud800(\ud800\udc62\ud800)?)+$
\ud800\udc61\ud800\ud800\udc62\ud800\ud800\udc61\ud800
true \ud800\udc61\ud800\ud800\udc62\ud800\ud800\udc61\ud800 2 \ud800\udc61\ud800 \ud800\udc62\ud800

^(\ud800\udc61(\ud800\udc62)?)+$
\ud800\udc61\ud800\udc62\ud800\udc61
true \ud800\udc61\ud800\udc62\ud800\udc61 2 \ud800\udc61 \ud800\udc62

^(\ud800\udc61\ud800(\ud800\udc62\ud800)?)+$
\ud800\udc61\ud800\ud800\udc62\ud800\ud800\udc61\ud800
true \ud800\udc61\ud800\ud800\udc62\ud800\ud800\udc61\ud800 2 \ud800\udc61\ud800 \ud800\udc62\ud800

^(\ud800\udc61(\ud800\udc62(\ud800\udc63)?)?)?\ud800\udc61\ud800\udc62\ud800\udc63
\ud800\udc61\ud800\udc62\ud800\udc63
true \ud800\udc61\ud800\udc62\ud800\udc63 3

^(\ud800\udc61\ud800(\ud800\udc62(\ud800\udc63)?)?)?\ud800\udc61\ud800\ud800\udc62\ud800\udc63
\ud800\udc61\ud800\ud800\udc62\ud800\udc63
true \ud800\udc61\ud800\ud800\udc62\ud800\udc63 3

^(\ud800\udc61(\ud800\udc02(\ud800\udc63))).*
\ud800\udc61\ud800\udc02\ud800\udc63
true \ud800\udc61\ud800\udc02\ud800\udc63 3 \ud800\udc61\ud800\udc02\ud800\udc63 \ud800\udc02\ud800\udc63 \ud800\udc63

^(\ud800\udc61(\ud800(\ud800\udc63))).*
\ud800\udc61\ud800\ud800\udc63
true \ud800\udc61\ud800\ud800\udc63 3 \ud800\udc61\ud800\ud800\udc63 \ud800\ud800\udc63 \ud800\udc63

// Patterns including no surrogates
(.)([^a])xyz
\ud801\ud800\udc00xyz
true \ud801\ud800\udc00xyz 2 \ud801 \ud800\udc00

[^a-z]..
\ud801\ud800\udc00xyz
true \ud801\ud800\udc00x 0

.$
\ud801\ud800\udc00
true \ud800\udc00 0

.$
\ud801\udc01\ud800\udc00
true \ud800\udc00 0

.$
\ud801\udc01\ud800\udc00\udcff
true \udcff 0

[^x-\uffff][^y-\uffff]
\ud800\udc00pqr
true \ud800\udc00p 0

[^x-\uffff]+
\ud800\udc00pqrx
true \ud800\udc00pqr 0

/// The following test cases fail due to use of Start rather than
/// StartS. Disabled for now.
///[a-\uffff]
///\ud800\udc00x
///true x 0
///
///[a-\uffff]
///\ud800\udc00
///false 0

// use of x modifier
\ud800\udc61bc(?x)bl\ud800\udc61h
\ud800\udc61bcbl\ud800\udc61h
true \ud800\udc61bcbl\ud800\udc61h 0

\ud800\udc61bc(?x)  bl\ud800\udc61h
\ud800\udc61bcbl\ud800\udc61h
true \ud800\udc61bcbl\ud800\udc61h 0

\ud800\udc61bc(?x)  bl\ud800\udc61h  blech
\ud800\udc61bcbl\ud800\udc61hblech
true \ud800\udc61bcbl\ud800\udc61hblech 0

\ud800\udc61bc(?x)  bl\ud800\udc61h # ignore comment
\ud800\udc61bcbl\ud800\udc61h
true \ud800\udc61bcbl\ud800\udc61h 0

// Simple alternation
\ud800\udc61|\ud800\udc62
\ud800\udc61
true \ud800\udc61 0

\ud800\udc61|\ud800\udc62|\ud800
\ud800\udc61
true \ud800\udc61 0

\ud800\udc61|\ud800
\ud800\udc62
false 0

\ud800\udc62|\ud800
\ud800
true \ud800 0

\ud800\udc61|\ud802\udc02
z
false 0

\ud800\udc61|\ud802\udc02
\ud802\udc02
true \ud802\udc02 0

\ud800\udc61|\ud802\udc02|\ud803\udc03\ud804\udc04
\ud803\udc03\ud804\udc04
true \ud803\udc03\ud804\udc04 0

\ud800\udc61|\ud800\udc61d
\ud800\udc61d
true \ud800\udc61 0

z(\ud800\udc61|\ud800\udc61c)\ud802\udc02
z\ud800\udc61c\ud802\udc02
true z\ud800\udc61c\ud802\udc02 1 \ud800\udc61c

z(\ud800\udc61|\ud800\udc61c|\udc61c)\ud802\udc02
z\udc61c\ud802\udc02
true z\udc61c\ud802\udc02 1 \udc61c

// Simple codepoint class
[\ud800\udc61\ud802\udc02c]+
\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02
true \ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02 0

[\ud800\udc61\ud802\udc02c]+
\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02
true \ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02 0

[\ud800\udc61\ud802\udc02c\ud800]+
\ud800\udc61\ud802\udc02\ud800\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02
true \ud800\udc61\ud802\udc02\ud800\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02 0

[\ud800\udc61bc]+
d\ud800\udc62fg
false 0

[\ud800\udc61bc]+[\ud804\udc04ef]+[\ud807\udc07hi]+
zzz\ud800\udc61\ud800\udc61\ud804\udc04\ud804\udc04\ud807\udc07\ud807\udc07zzz
true \ud800\udc61\ud800\udc61\ud804\udc04\ud804\udc04\ud807\udc07\ud807\udc07 0

// Range codepoint class
[\ud801\udc01-\ud807\udc07]+
\ud8ff\udcff\ud8ff\udcff\ud8ff\udcff\ud807\udc07\ud807\udc07\ud807\udc07
true \ud807\udc07\ud807\udc07\ud807\udc07 0

[\ud801\udc01-\ud807\udc07]+
mmm
false 0

[\ud800\udc61-]+
z\ud800\udc61-9z
true \ud800\udc61- 0

// Negated char class
[^\ud800\udc61\ud802\udc02c]+
\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02\ud800\udc61\ud802\udc02
false 0

[^\ud800\udc61\ud802\udc02\ud803\udc03]+
\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02\ud802\udc02\ud802\udc02\ud803\udc03\ud803\udc03\ud803\udc03\ud804\udc04efg
true \ud804\udc04efg 0

[^\ud800\udc61\ud802\udc02\ud803\udc03\ud800]+
\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02\ud802\udc02\ud802\udc02\ud803\udc03\ud803\udc03\ud803\udc03\ud804\udc04efg
true \ud804\udc04efg 0

// Making sure a ^ not in first position matches literal ^
[\ud801\udc01\ud802\udc02\ud803\udc03^\ud802\udc02]
\ud802\udc02
true \ud802\udc02 0

[\ud801\udc01\ud802\udc02\ud803\udc03^\ud802\udc02]
^
true ^ 0

// Class union and intersection
[\ud801\udc01\ud802\udc02\ud803\udc03[\ud804\udc04\ud805\udc05\ud806\udc06]]
\ud802\udc02
true \ud802\udc02 0

[\ud800\udc61\ud802\udc02\ud803\udc03[\ud804\udc04\ud805\udc05\ud806\udc06]]
\ud805\udc05
true \ud805\udc05 0

[\ud801\udc01-\ud804\udc04[0-9][\ud80b\udc0b-\ud80d\udc0d]]
\ud801\udc01
true \ud801\udc01 0

[\ud801\udc01-\ud804\udc04[0-9][\ud80b\udc0b-\ud80d\udc0d]]
\ud80c\udc0c
true \ud80c\udc0c 0

[\ud801\udc01-\ud804\udc04[0-9][\ud80b\udc0b-\ud80d\udc0d]]
4
true 4 0

[\ud801\udc01-\ud804\udc04[0-9][\ud80b\udc0b-\ud80d\udc0d]]
\ud805\udc05
false 0

[\ud801\udc01-\ud804\udc04[0-9][\ud80b\udc0b-\ud80d\udc0d]]
\ud816\udc16
false 0

[[\ud801\udc01-\ud804\udc04][0-9][\ud80b\udc0b-\ud80d\udc0d]]
\ud802\udc02
true \ud802\udc02 0

[[\ud801\udc01-\ud804\udc04][0-9][\ud80b\udc0b-\ud80d\udc0d]]
\ud81a\udc1a
false 0

[\ud801\udc01-\ud803\udc03[\ud804\udc04-\ud806\udc06[\ud807\udc07-\ud809\udc09]]]
\ud801\udc01
true \ud801\udc01 0

[\ud801\udc01-\ud803\udc03[\ud804\udc04-\ud806\udc06[\ud807\udc07-\ud809\udc09]]]
\ud805\udc05
true \ud805\udc05 0

[\ud801\udc01-\ud803\udc03[\ud804\udc04-\ud806\udc06[\ud807\udc07-\ud809\udc09]]]
\ud808\udc08
true \ud808\udc08 0

[\ud801\udc01-\ud803\udc03[\ud804\udc04-\ud806\udc06[\ud807\udc07-\ud809\udc09]]]
\ud80d\udc0d
false 0

[\ud801\udc01-\ud803\udc03[\ud804\udc04-\ud806\udc06[\ud807\udc07-\ud809\udc09]]\ud80d\udc0d]
\ud80d\udc0d
true \ud80d\udc0d 0

[\ud801\udc01\ud802\udc02\ud803\udc03[\ud804\udc04\ud805\udc05\ud806\udc06]\ud807\udc07\ud808\udc08\ud809\udc09]
\ud801\udc01
true \ud801\udc01 0

[\ud800\udc61\ud802\udc02\ud803\udc03[\ud804\udc04\ud805\udc05\ud806\udc06]\ud807\udc07\ud808\udc08\ud809\udc09]
\ud804\udc04
true \ud804\udc04 0

[\ud800\udc61\ud802\udc02\ud803\udc03[\ud804\udc04\ud805\udc05\ud806\udc06]\ud807\udc07\ud808\udc08\ud809\udc09]
\ud808\udc08
true \ud808\udc08 0

[\ud800\udc61\ud802\udc02\ud803\udc03[\ud804\udc04\ud805\udc05\ud806\udc06]\ud807\udc07\ud808\udc08\ud809\udc09]
\ud816\udc16
false 0

[\ud801\udc01-\ud803\udc03&&[\ud804\udc04-\ud806\udc06]]
\ud801\udc01
false 0

[\ud801\udc01-\ud803\udc03&&[\ud804\udc04-\ud806\udc06]]
\ud805\udc05
false 0

[\ud801\udc01-\ud803\udc03&&[\ud804\udc04-\ud806\udc06]]
\ud81a\udc1a
false 0

[[\ud801\udc01-\ud803\udc03]&&[\ud804\udc04-\ud806\udc06]]
\ud801\udc01
false 0

[[\ud801\udc01-\ud803\udc03]&&[\ud804\udc04-\ud806\udc06]]
\ud805\udc05
false 0

[[\ud801\udc01-\ud803\udc03]&&[\ud804\udc04-\ud806\udc06]]
\ud81a\udc1a
false 0

[\ud801\udc01-\ud803\udc03&&\ud804\udc04-\ud806\udc06]
\ud801\udc01
false 0

[\ud801\udc01-\ud80d\udc0d&&\ud80d\udc0d-\ud81a\udc1a]
\ud80d\udc0d
true \ud80d\udc0d 0

[\ud801\udc01-\ud80d\udc0d&&\ud80d\udc0d-\ud81a\udc1a&&\ud801\udc01-\ud803\udc03]
\ud80d\udc0d
false 0

[\ud801\udc01-\ud80d\udc0d&&\ud80d\udc0d-\ud81a\udc1a&&\ud801\udc01-\ud81a\udc1a]
\ud80d\udc0d
true \ud80d\udc0d 0

[[\ud801\udc01-\ud80d\udc0d]&&[\ud80d\udc0d-\ud81a\udc1a]]
\ud801\udc01
false 0

[[\ud801\udc01-\ud80d\udc0d]&&[\ud80d\udc0d-\ud81a\udc1a]]
\ud80d\udc0d
true \ud80d\udc0d 0

[[\ud801\udc01-\ud80d\udc0d]&&[\ud80d\udc0d-\ud81a\udc1a]]
\ud81a\udc1a
false 0

[[\ud801\udc01-\ud80d\udc0d]&&[^\ud801\udc01-\ud803\udc03]]
\ud801\udc01
false 0

[[\ud801\udc01-\ud80d\udc0d]&&[^\ud801\udc01-\ud803\udc03]]
\ud804\udc04
true \ud804\udc04 0

[\ud801\udc01-\ud80d\udc0d&&[^\ud801\udc01-\ud803\udc03]]
\ud801\udc01
false 0

[\ud801\udc01-\ud80d\udc0d&&[^\ud801\udc01-\ud803\udc03]]
\ud804\udc04
true \ud804\udc04 0

[\ud801\udc01-\ud803\udc03\ud804\udc04-\ud806\udc06&&[\ud804\udc04-\ud806\udc06]]
\ud801\udc01
false 0

[\ud801\udc01-\ud803\udc03\ud804\udc04-\ud806\udc06&&[\ud804\udc04-\ud806\udc06]]
\ud805\udc05
true \ud805\udc05 0

[[\ud801\udc01-\ud803\udc03]&&\ud804\udc04-\ud806\udc06\ud801\udc01-\ud803\udc03]
\ud801\udc01
true \ud801\udc01 0

[[\ud801\udc01-\ud803\udc03]&&[\ud804\udc04-\ud806\udc06][\ud801\udc01-\ud803\udc03]]
\ud801\udc01
true \ud801\udc01 0

[[\ud801\udc01-\ud803\udc03][\ud804\udc04-\ud806\udc06]&&\ud801\udc01\ud802\udc02\ud803\udc03]
\ud801\udc01
true \ud801\udc01 0

[[\ud801\udc01-\ud803\udc03][\ud804\udc04-\ud806\udc06]&&\ud801\udc01\ud802\udc02\ud803\udc03[\ud804\udc04\ud805\udc05\ud806\udc06]]
\ud805\udc05
true \ud805\udc05 0

[[\ud801\udc01-\ud803\udc03]&&[\ud802\udc02-\ud804\udc04]&&[\ud803\udc03-\ud805\udc05]]
\ud801\udc01
false 0

[[\ud801\udc01-\ud803\udc03]&&[\ud802\udc02-\ud804\udc04]&&[\ud803\udc03-\ud805\udc05]]
\ud803\udc03
true \ud803\udc03 0

[[\ud801\udc01-\ud803\udc03]&&[\ud802\udc02-\ud804\udc04][\ud803\udc03-\ud805\udc05]&&[\ud815\udc15-\ud81a\udc1a]]
\ud803\udc03
false 0

[\ud801\udc01\ud802\udc02\ud803\udc03[^\ud802\udc02\ud803\udc03\ud804\udc04]]
\ud801\udc01
true \ud801\udc01 0

[\ud800\udc61\ud802\udc02\ud803\udc03[^\ud802\udc02\ud803\udc03\ud804\udc04]]
\ud804\udc04
false 0

[\ud801\udc01-\ud803\udc03&&\ud801\udc01-\ud804\udc04&&\ud801\udc01-\ud805\udc05\ud807\udc07\ud808\udc08\ud809\udc09]
\ud802\udc02
true \ud802\udc02 0

[\ud801\udc01-\ud803\udc03&&\ud801\udc01-\ud804\udc04&&\ud801\udc01-\ud805\udc05\ud807\udc07\ud808\udc08\ud809\udc09]
\ud807\udc07
false 0

[[\ud801\udc01[\ud802\udc02]]&&[\ud802\udc02[\ud801\udc01]]]
\ud801\udc01
true \ud801\udc01 0

// Unicode isn't supported in clazz()
[[\ud800\udc61]&&[b][c][\ud800\udc61]&&[^d]]
\ud800\udc61
true \ud800\udc61 0

[[\ud800\udc61]&&[\ud802\udc02][\ud800][\ud800\udc61]&&[^\ud804\udc04]]
\ud800\udc61
true \ud800\udc61 0

[[\ud800\udc61]&&[b][\ud800][\ud800\udc61]&&[^\ud804\udc04]]
\ud804\udc04
false 0

[[\ud800\udc61]&&[b][c][\ud800\udc61]&&[^d]]
d
false 0

[[[\ud800\udc01-\ud800\udc04]&&[\ud800\udc03-\ud800\udc06]]]
\ud800\udc01
false 0

[[[\ud800\udc01-\ud800\udc04]&&[\ud800\udc03-\ud800\udc06]]]
\ud800\udc03
true \ud800\udc03 0

[[[\ud800\udc01-\ud800\udc04]&&[\ud800\udc03-\ud800\udc06]]&&[\ud800\udc03]]
\ud800\udc03
true \ud800\udc03 0

[[[\ud800\udc01-\ud800\udc04]&&[\ud800\udc03-\ud800\udc06]]&&[\ud800\udc03]&&\ud800\udc03]
\ud800\udc03
true \ud800\udc03 0

[[[\ud800\udc01-\ud800\udc04]&&[\ud800\udc03-\ud800\udc06]]&&[\ud800\udc03]&&\ud800\udc03&&\ud800\udc03]
\ud800\udc03
true \ud800\udc03 0

[[[\ud800\udc01-\ud800\udc04]&&[\ud800\udc03-\ud800\udc06]]&&[\ud800\udc03]&&\ud800\udc03&&[\ud800\udc03\ud800\udc04\ud800\udc05]]
\ud800\udc03
true \ud800\udc03 0

[z[\ud800\udc61b\ud800\udc03&&b\ud800\udc03\ud800\udc04]]
\ud800\udc03
true \ud800\udc03 0

[z[\ud800\udc61b\ud800\udc03&&b\ud800\udc03\ud800\udc04]&&[u-z]]
z
true z 0

[x[\ud800\udc61b\ud800\udc03&&b\ud800\udc03\ud800\udc04[z]]&&[u-z]]
z
false 0

[x[[wz]\ud800\udc61b\ud800\udc03&&b\ud800\udc03\ud800\udc04[z]]&&[u-z]]
z
true z 0

[[\ud800\udc61b\ud800\udc03]&&[\ud800\udc04\ud800\udc05f]\ud800\udc61b\ud800\udc03]
\ud800\udc61
true \ud800\udc61 0

[[\ud800\udc61b\ud800\udc03]&&[\ud800\udc04\ud800\udc05f]xyz[\ud800\udc61b\ud800\udc03]]
\ud800\udc61
true \ud800\udc61 0

\pL
\ud800\udc00
true \ud800\udc00 0

\p{IsASCII}
\ud800\udc00
false 0

\pLbc
\ud800\udc00bc
true \ud800\udc00bc 0

\ud800\udc61[r\p{InGreek}]c
\ud800\udc61\u0370c
true \ud800\udc61\u0370c 0

\ud800\udc61\p{InGreek}
\ud800\udc61\u0370
true \ud800\udc61\u0370 0

\ud800\udc61\P{InGreek}
\ud800\udc61\u0370
false 0

\ud800\udc61\P{InGreek}
\ud800\udc61b
true \ud800\udc61b 0

\ud800\udc61{^InGreek}
-
error

\ud800\udc61\p{^InGreek}
-
error

\ud800\udc61\P{^InGreek}
-
error

\ud800\udc61\p{InGreek}
\ud800\udc61\u0370
true \ud800\udc61\u0370 0

\ud800\udc61[\p{InGreek}]c
\ud800\udc61\u0370c
true \ud800\udc61\u0370c 0

\ud800\udc61[\P{InGreek}]c
\ud800\udc61\u0370c
false 0

\ud800\udc61[\P{InGreek}]c
\ud800\udc61bc
true \ud800\udc61bc 0

\ud800\udc61[{^InGreek}]c
\ud800\udc61nc
true \ud800\udc61nc 0

\ud800\udc61[{^InGreek}]c
\ud800\udc61zc
false 0

\ud800\udc61[\p{^InGreek}]c
-
error

\ud800\udc61[\P{^InGreek}]c
-
error

\ud800\udc61[\p{InGreek}]
\ud800\udc61\u0370
true \ud800\udc61\u0370 0

\ud800\udc61[r\p{InGreek}]c
\ud800\udc61rc
true \ud800\udc61rc 0

\ud800\udc61[\p{InGreek}r]c
\ud800\udc61rc
true \ud800\udc61rc 0

\ud800\udc61[r\p{InGreek}]c
\ud800\udc61rc
true \ud800\udc61rc 0

\ud800\udc61[^\p{InGreek}]c
\ud800\udc61\u0370c
false 0

\ud800\udc61[^\P{InGreek}]c
\ud800\udc61\u0370c
true \ud800\udc61\u0370c 0

\ud800\udc61[\p{InGreek}&&[^\u0370]]c
\ud800\udc61\u0370c
false 0

// Test the dot metacharacter
\ud800\udc61.c.+
\ud800\udc61#c%&
true \ud800\udc61#c%& 0

\ud800\udc61b.
\ud800\udc61b\n
false 0

(?s)\ud800\udc61b.
\ud800\udc61b\n
true \ud800\udc61b\n 0

\ud800\udc61[\p{L}&&[\P{InGreek}]]c
\ud800\udc61\u6000c
true \ud800\udc61\u6000c 0

\ud800\udc61[\p{L}&&[\P{InGreek}]]c
\ud800\udc61rc
true \ud800\udc61rc 0

\ud800\udc61[\p{L}&&[\P{InGreek}]]c
\ud800\udc61\u0370c
false 0

\ud800\udc61\p{InGreek}c
\ud800\udc61\u0370c
true \ud800\udc61\u0370c 0

\ud800\udc61\p{Sc}
\ud800\udc61$
true \ud800\udc61$ 0

// Test \p{L}
\p{L}
\ud800\udf1e
true \ud800\udf1e 0

^a\p{L}z$
a\ud800\udf1ez
true a\ud800\udf1ez 0

// Test \P{InDeseret}

\ud800\udf00\p{L}{2,3}\P{L}*supp->\ud900\udc00<-\P{InDeseret}
\ud800\udf00\ud800\udf1e\ud800\udf1esupp->\ud900\udc00<-\ud901\udf00
true \ud800\udf00\ud800\udf1e\ud800\udf1esupp->\ud900\udc00<-\ud901\udf00 0

\ud800\udf00\p{L}{2,3}\P{L}*supp->\ud900\udc00<-\P{InDeseret}
\ud800\udf00\ud800\udf1e\ud800\udf1e\ud901\udf00supp->\ud900\udc00<-\ud901\udf00
true \ud800\udf00\ud800\udf1e\ud800\udf1e\ud901\udf00supp->\ud900\udc00<-\ud901\udf00 0

// Test \p{InDeseret}
\ud800\udf00\p{L}{2,3}\P{L}*supp->\ud900\udc00<-\p{InDeseret}
\ud800\udf00\ud800\udf1e\ud800\udf1e\ud901\udf00supp->\ud900\udc00<-\ud801\udc00
true \ud800\udf00\ud800\udf1e\ud800\udf1e\ud901\udf00supp->\ud900\udc00<-\ud801\udc00 0

// Test the word char escape sequence
\ud800\udc61b\wc
\ud800\udc61bcc
true \ud800\udc61bcc 0

\ud800\udc61bc[\w]
\ud800\udc61bcd
true \ud800\udc61bcd 0

\ud800\udc61bc[\sdef]*
\ud800\udc61bc  def
true \ud800\udc61bc  def 0

\ud800\udc61bc[\sy-z]*
\ud800\udc61bc y z
true \ud800\udc61bc y z 0

\ud800\udc01bc[\ud800\udc01-\ud800\udc04\sm-p]*
\ud800\udc01bc\ud800\udc01\ud800\udc01 mn  p
true \ud800\udc01bc\ud800\udc01\ud800\udc01 mn  p 0

// Test the whitespace escape sequence
\ud800\udc61b\s\ud800\udc03
\ud800\udc61b \ud800\udc03
true \ud800\udc61b \ud800\udc03 0

\s\s\s
bl\ud800\udc61h  err
false 0

\S\S\s
bl\ud800\udc61h  err
true \ud800\udc61h  0

// Test the digit escape sequence
\ud800\udc61b\d\ud800\udc03
\ud800\udc61b9\ud800\udc03
true \ud800\udc61b9\ud800\udc03 0

\d\d\d
bl\ud800\udc61h45
false 0

// Test the caret metacharacter
^\ud800\udc61bc
\ud800\udc61bcdef
true \ud800\udc61bc 0

^\ud800\udc61bc
bcd\ud800\udc61bc
false 0

// Greedy ? metacharacter
\ud800\udc61?\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc02 0

\udc61?\ud800\udc02
\ud800\udc61\udc61\udc61\ud800\udc02
true \udc61\ud800\udc02 0

\ud800\udc61?\ud800\udc02
\ud800\udc02
true \ud800\udc02 0

\ud800?\ud800\udc02
\ud800\udc02
true \ud800\udc02 0

\ud800\udc61?\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc03\ud800\udc03\ud800\udc03
false 0

.?\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc02 0

// Reluctant ? metacharacter
\ud800\udc61??\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc02 0

\ud800??\ud800\udc02
\ud800\ud800\ud8001\ud800\ud800\udc02
true \ud800\ud800\udc02 0

\ud800\udc61??\ud800\udc02
\ud800\udc02
true \ud800\udc02 0

\ud800??\ud800\udc02
\ud800\udc02
true \ud800\udc02 0

\ud800\udc61??\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.??\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc02 0

// Possessive ? metacharacter
\ud800\udc61?+\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc02 0

\ud800\udc61?+\ud800\udc02
\ud800\udc02
true \ud800\udc02 0

\ud800\udc61?+\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.?+\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc02 0

// Greedy + metacharacter
\ud800\udc61+\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02 0

\udc61+\ud800\udc02
\ud800\udc61\udc61\udc61\udc61\ud800\udc02
true \udc61\udc61\udc61\ud800\udc02 0

\ud800\udc61+\ud800\udc02
\ud800\udc02
false 0

\ud800+\ud800\udc02
\ud800\udc02
false 0

\ud800\udc61+\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.+\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02 0

.+\ud800\udc02
\ud800\udc61\udc61\udc61\udc61\ud800\udc02
true \ud800\udc61\udc61\udc61\udc61\ud800\udc02 0

// Reluctant + metacharacter
\ud800\udc61+?\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02 0

\udc61+?\ud800\udc02
\udc61\udc61\udc61\udc61\ud800\udc02
true \udc61\udc61\udc61\udc61\ud800\udc02 0

\ud800\udc61+?\ud800\udc02
\ud800\udc02
false 0

\ud800+?\ud800\udc02
\ud800\udc02
false 0

\ud800\udc61+?\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.+?\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02 0

// Possessive + metacharacter
\ud800\udc61++\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02 0

\ud800\udc61++\ud800\udc02
\ud800\udc02
false 0

\ud800\udc61++\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.++\ud800\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc02
false 0

// Greedy Repetition
\ud800\udc61{2,3}
\ud800\udc61
false 0

\ud800\udc61{2,3}
\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61 0

\ud800\udc61{2,3}
\ud800\udc61\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61\ud800\udc61 0

\ud800\udc61{2,3}
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61\ud800\udc61 0

\ud800\udc61{3,}
zzz\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61zzz
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61 0

\ud800\udc61{3,}
zzz\ud800\udc61\ud800\udc61zzz
false 0

// Reluctant Repetition
\ud800\udc61{2,3}?
\ud800\udc61
false 0

\ud800\udc61{2,3}?
\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61 0

\ud800\udc61{2,3}?
\ud800\udc61\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61 0

\ud800\udc61{2,3}?
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61
true \ud800\udc61\ud800\udc61 0

// Zero width Positive lookahead
\ud800\udc61\ud802\udc02\ud803\udc03(?=\ud804\udc04)
zzz\ud800\udc61\ud802\udc02\ud803\udc03\ud804\udc04
true \ud800\udc61\ud802\udc02\ud803\udc03 0

\ud800\udc61\ud802\udc02\ud803\udc03(?=\ud804\udc04)
zzz\ud800\udc61\ud802\udc02\ud803\udc03e\ud804\udc04
false 0

\ud800\udc61\ud802\udc02\ud803\udc03(?=\udcff\ud804\udc04)
zzz\ud800\udc61\ud802\udc02\ud803\udc03\udcff\ud804\udc04
true \ud800\udc61\ud802\udc02\ud803\udc03 0

\ud800\udc61\ud802\udc02\ud803\udc03(?=\udcff\ud804\udc04)
zzz\ud800\udc61\ud802\udc02\ud803\udc03\ud8ff\udcff\ud804\udc04
false 0

// Zero width Negative lookahead
\ud800\udc61\ud802\udc02\ud803\udc03(?!\ud804\udc04)
zz\ud800\udc61\ud802\udc02\ud803\udc03\ud804\udc04
false 0

a\ud802\udc02\ud803\udc03(?!\ud804\udc04)
zza\ud802\udc02\ud803\udc03\udc04\ud804\udc04
true a\ud802\udc02\ud803\udc03 0

\ud800\udc61\ud802\udc02\ud803\udc03(?!\ud804\udc04\ud8ff)
zz\ud800\udc61\ud802\udc02\ud803\udc03\ud804\udc04\ud8ffX
false 0

a\ud802\udc02\ud803\udc03(?!\ud804\udc04\ud8ff)
zza\ud802\udc02\ud803\udc03e\ud804\udc04\ud8ff\udcff
true a\ud802\udc02\ud803\udc03 0

// Zero width Positive lookbehind
(?<=\ud801\udc01\ud802\udc02)\ud803\udc03
\ud801\udc01\ud802\udc02\ud803\udc03
true \ud803\udc03 0

// Zero width Negative lookbehind
(?<!\ud801\udc01)\ud802\udc02\ud803\udc03
###\ud800\udc00\ud802\udc02\ud803\udc03
true \ud802\udc02\ud803\udc03 0

(?<![\ud801\udc01\ud802\udc02])\ud803\udc03.
\ud801\udc01\ud803\udc03x\ud800\udc00\ud803\udc03y
true \ud803\udc03y 0

(?<!\ud801\udc01)\ud803\udc03
\ud801\udc01\ud803\udc03
false 0

// Nondeterministic group
(\ud800\udc61+\ud802)+
\ud800\udc61\ud802\ud800\udc61\ud802\ud800\udc61\ud802
true \ud800\udc61\ud802\ud800\udc61\ud802\ud800\udc61\ud802 1 \ud800\udc61\ud802

(\ud800\udc61|\ud802)+
\ud800\ud802\udc61\ud803\ud802\udc61
false 1

// Deterministic group
(\ud800\udc61\ud802)+
\ud800\udc61\ud802\ud800\udc61\ud802\ud800\udc61\ud802
true \ud800\udc61\ud802\ud800\udc61\ud802\ud800\udc61\ud802 1 \ud800\udc61\ud802

(\ud800\udc61\ud802)+
\ud800\udc61ccccd
false 1

(\ud800\udc61\ud802)*
\ud800\udc61\ud802\ud800\udc61\ud802\ud800\udc61\ud802
true \ud800\udc61\ud802\ud800\udc61\ud802\ud800\udc61\ud802 1 \ud800\udc61\ud802

(\ud800\udc61b)(cd*)
zzz\ud800\udc61bczzz
true \ud800\udc61bc 2 \ud800\udc61b c

\ud800\udc61bc(\ud804\udc04)*\ud800\udc61bc
\ud800\udc61bc\ud804\udc04\ud804\udc04\ud804\udc04\ud804\udc04\ud804\udc04\ud800\udc61bc
true \ud800\udc61bc\ud804\udc04\ud804\udc04\ud804\udc04\ud804\udc04\ud804\udc04\ud800\udc61bc 1 \ud804\udc04

// Back references
(\ud800\udc61*)\ud802\udc02c\1
zzz\ud800\udc61\ud800\udc61\ud802\udc02c\ud800\udc61\ud800\udc61zzz
true \ud800\udc61\ud800\udc61\ud802\udc02c\ud800\udc61\ud800\udc61 1 \ud800\udc61\ud800\udc61

(\ud800\udc61*)\ud802\udc02c\1
zzz\ud800\udc61\ud800\udc61\ud802\udc02c\ud800\udc61zzz
true \ud800\udc61\ud802\udc02c\ud800\udc61 1 \ud800\udc61

(\ud800\udc07\ud800\udc14*)(\ud804\udc04\ud804\udc04e)*(yu)\1\3(vv)
zzz\ud800\udc07\ud800\udc14\ud800\udc14\ud804\udc04\ud804\udc04e\ud804\udc04\ud804\udc04eyu\ud800\udc07\ud800\udc14\ud800\udc14yuvvzzz
true \ud800\udc07\ud800\udc14\ud800\udc14\ud804\udc04\ud804\udc04e\ud804\udc04\ud804\udc04eyu\ud800\udc07\ud800\udc14\ud800\udc14yuvv 4 \ud800\udc07\ud800\udc14\ud800\udc14 \ud804\udc04\ud804\udc04e yu vv

// Greedy * metacharacter
\ud800\udc61*\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02 0

\ud800\udc61*\ud802\udc02
\ud802\udc02
true \ud802\udc02 0

\ud800\udc61*\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.*\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02 0

// Reluctant * metacharacter
\ud800\udc61*?\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02 0

\ud800\udc61*?\ud802\udc02
\ud802\udc02
true \ud802\udc02 0

\ud800\udc61*?\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.*?\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02 0

// Possessive * metacharacter
\ud800\udc61*+\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02
true \ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02 0

\ud800\udc61*+\ud802\udc02
\ud802\udc02
true \ud802\udc02 0

\ud800\udc61*+\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61ccc
false 0

.*+\ud802\udc02
\ud800\udc61\ud800\udc61\ud800\udc61\ud800\udc61\ud802\udc02
false 0

// Case insensitivity
(?iu)\ud801\udc00\ud801\udc01\ud801\udc02x
\ud801\udc28\ud801\udc29\ud801\udc2aX
true \ud801\udc28\ud801\udc29\ud801\udc2aX 0

\ud801\udc00(?iu)\ud801\udc01\ud801\udc02
\ud801\udc00\ud801\udc29\ud801\udc2a
true \ud801\udc00\ud801\udc29\ud801\udc2a 0

\ud801\udc00(?iu)\ud801\udc01\ud801\udc02
\ud801\udc28\ud801\udc29\ud801\udc2a
false 0

(?iu)\ud801\udc00[\ud801\udc01\ud801\udc02]+
\ud801\udc28\ud801\udc29\ud801\udc2a
true \ud801\udc28\ud801\udc29\ud801\udc2a 0

(?iu)[\ud801\udc00-\ud801\udc02]+
\ud801\udc28\ud801\udc29\ud801\udc2a
true \ud801\udc28\ud801\udc29\ud801\udc2a 0

// Disable metacharacters- test both length <=3 and >3
// So that the BM optimization is part of test
\Q***\E\ud801\udc01\ud802\udc02\ud800\udc03
***\ud801\udc01\ud802\udc02\ud800\udc03
true ***\ud801\udc01\ud802\udc02\ud800\udc03 0

\ud802\udc02l\Q***\E\ud801\udc01\ud802\udc02\ud800\udc03
\ud802\udc02l***\ud801\udc01\ud802\udc02\ud800\udc03
true \ud802\udc02l***\ud801\udc01\ud802\udc02\ud800\udc03 0

\Q***\ud801\udc01\ud802\udc02\ud800\udc03
***\ud801\udc01\ud802\udc02\ud800\udc03
true ***\ud801\udc01\ud802\udc02\ud800\udc03 0

\ud802\udc02l\ud801\udc01h\Q***\E\ud801\udc01\ud802\udc02\ud800\udc03
\ud802\udc02l\ud801\udc01h***\ud801\udc01\ud802\udc02\ud800\udc03
true \ud802\udc02l\ud801\udc01h***\ud801\udc01\ud802\udc02\ud800\udc03 0

\Q***\ud801\udc01\ud802\udc02\ud800\udc03
***\ud801\udc01\ud802\udc02\ud800\udc03
true ***\ud801\udc01\ud802\udc02\ud800\udc03 0

\Q*\ud801\udc01\ud802\udc02
*\ud801\udc01\ud802\udc02
true *\ud801\udc01\ud802\udc02 0

\ud802\udc02l\ud801\udc01h\Q***\ud801\udc01\ud802\udc02\ud800\udc03
\ud802\udc02l\ud801\udc01h***\ud801\udc01\ud802\udc02\ud800\udc03
true \ud802\udc02l\ud801\udc01h***\ud801\udc01\ud802\udc02\ud800\udc03 0

\ud802\udc02l\ud801\udc01\Q***\ud801\udc01\ud802\udc02\ud800\udc03
\ud802\udc02l\ud801\udc01***\ud801\udc01\ud802\udc02\ud800\udc03
true \ud802\udc02l\ud801\udc01***\ud801\udc01\ud802\udc02\ud800\udc03 0

//Test cases below copied from i18n QE's RegexSupplementaryTests.txt
\uD800\uDFFF\uD801\uDFF1\uDB00\uDC00
\uD800\uDFFF\uD801\uDFF1\uDB00\uDC00
true \uD800\uDFFF\uD801\uDFF1\uDB00\uDC00 0

\uD800\uDFFF\uD801\uDFF1\uDB00\uDC00
\u1000\uD801\uDFF1\uDB00\uDC00
false 0

\uD800\uDFFF\uD801\uDFF1\uDB00\uDC00
\uD800\uDFFF\uFFFF\uDB00\uDC00
false 0

\uD800\uDFFF\uD801\uDFF1\uDB00\uDC00
\uD800\uDFFF\uD801\uDFF1\uFFFF
false 0

\u1000.\uFFFF
\u1000\uD800\uDFFF\uFFFF
true \u1000\uD800\uDFFF\uFFFF 0

//=======
// Ranges
//=======
[a-\uD800\uDFFF]
\uDFFF
true \uDFFF 0

[a-\uD800\uDFFF]
\uD800
true \uD800 0

[a-\uD800\uDFFF]
\uD800\uDFFF
true \uD800\uDFFF 0

[\uD800\uDC00-\uDBFF\uDFFF]
\uDBFF
false 0

[\uD800\uDC00-\uDBFF\uDFFF]
\uDC00
false 0

[\uD800-\uDFFF]
\uD800\uDFFF
false 0

[\uD800-\uDFFF]
\uDFFF\uD800
true \uDFFF 0

foo[^\uD800-\uDFFF]
foo\uD800\uDFFF
true foo\uD800\uDFFF 0

foo[^\uD800-\uDFFF]
foo\uDFFF\uD800
false 0

//fo\uD800[\uDC00-\uDFFF]

//==================
// Character Classes
//==================
// Simple class
[ab\uD800\uDFFFcd]at
\uD800at
false 0

[ab\uD800\uDFFFcd]at
\uD800\uDFFFat
true \uD800\uDFFFat 0

// Negation
[^\uD800\uDFFFcd]at
\uD800at
true \uD800at 0

[^\uD800\uDFFFcd]at
\uDFFFat
true \uDFFFat 0

// Inclusive range
[\u0000-\uD800\uDFFF-\uFFFF]
\uD800\uDFFF
true \uD800\uDFFF 0

// Unions
[\u0000-\uD800[\uDFFF-\uFFFF]]
\uD800\uDFFF
false 0


// Intersection
[\u0000-\uFFFF&&[\uD800\uDFFF]]
\uD800\uDFFF
false 0

[\u0000-\uFFFF&&[\uD800\uDFFF]]
\uD800
false 0

[\u0000-\uFFFF&&[\uDFFF\uD800]]
\uD800
true \uD800 0

[\u0000-\uFFFF&&[\uDFFF\uD800\uDC00]]
\uDC00
false 0

[\u0000-\uDFFF&&[\uD800-\uFFFF]]
\uD800\uDFFF
false 0

[\u0000-\uDFFF&&[\uD800-\uFFFF]]
\uDFFF\uD800
true \uDFFF 0

// Subtraction
[\u0000-\uD800\uDFFF&&[^\uD800\uDC00]]
\uD800
true \uD800 0

[\u0000-\uD800\uDFFF&&[^\uD800\uDC00]]
\uDC00
true \uDC00 0

[\u0000-\uD800\uDFFF&&[^\uD800\uDC00]]
\uD800\uDFFF
true \uD800\uDFFF 0

[\u0000-\uD800\uDFFF&&[^\uD800\uDBFF\uDC00]]
\uD800
false 0

[\u0000-\uD800\uDFFF&&[^\uDC00\uD800\uDBFF]]
\uD800\uDC00
true \uD800\uDC00 0

// Quantifiers
a\uD800\uDFFF?
a\uD800
true a 0

a\uD800\uDFFF?
a\uDFFF
true a 0

a\uD800\uDFFF?
a\uD800\uDFFF
true a\uD800\uDFFF 0

a\uDFFF\uD800?
a\uDFFF
true a\uDFFF 0

a\uDFFF\uD800?
a\uD800
false 0

\uD800\uDFFF\uDC00?
\uD800
false 0

\uD800\uDFFF\uDC00?
\uD800\uDFFF
true \uD800\uDFFF 0

a\uD800\uDFFF??
a\uDFFF
true a 0

a\uD800\uDFFF*
a
true a 0

a\uD800\uDFFF*
a\uD800
true a 0

\uD800\uDFFF*
\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF
true \uD800\uDFFF\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF 0

\uD800\uDFFF*
\uD800\uDFFF\uDFFF\uDFFF\uDFFF
true \uD800\uDFFF 0

\uD800*\uDFFF
\uD800\uDFFF
false 0

a\uD800\uDFFF*
a\uD800
true a 0

\uDFFF\uD800*
\uDFFF
true \uDFFF 0

\uDFFF\uD800*
\uDFFF\uD800\uD800\uD800
true \uDFFF\uD800\uD800\uD800 0

\uD800\uDFFF+
\uD800\uDFFF\uDFFF\uDFFF
true \uD800\uDFFF 0

\uD800\uDFFF+
\uD800
false 0

\uD800\uDFFF+
\uD800\uDFFF
true \uD800\uDFFF 0

\uD800\uDFFF+
\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF
true \uD800\uDFFF\uD800\uDFFF\uD800\uDFFF 0

\uDFFF\uD800+
\uDFFF\uD800\uDFFF\uD800
false 0

\uD800+\uDFFF
\uD800\uDFFF
false 0

\uD800+\uDFFF
\uD800
false 0

\uDFFF+\uD800
\uD800
false 0

\uDFFF+\uD800
\uDFFF\uD800
true \uDFFF\uD800 0

\uD800\uDFFF{3}
\uD800\uDFFF\uDFFF\uDFFF
false 0

\uD800\uDFFF{3}
\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF
true \uD800\uDFFF\uD800\uDFFF\uD800\uDFFF 0

\uDFFF\uD800{3}
\uDFFF\uD800\uDFFF\uD800\uDFFF\uD800
false 0

\uDFFF\uD800{3}
\uDFFF\uD800\uD800\uD800
true \uDFFF\uD800\uD800\uD800 0

\uD800\uDFFF{2,}
\uD800\uDFFF
false 0

\uD800\uDFFF{2,}
\uD800\uDFFF\uDFFF
false 0

\uD800\uDFFF{2,}
\uD800\uDFFF\uD800\uDFFF
true \uD800\uDFFF\uD800\uDFFF 0

\uDFFF\uD800{2,}
\uDFFF\uD800\uDFFF\uD800
false 0

\uDFFF\uD800{2,}
\uDFFF\uD800\uD800\uD800
true \uDFFF\uD800\uD800\uD800 0

\uD800\uDFFF{3,4}
\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF
true \uD800\uDFFF\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF 0

\uD800\uDFFF{3,4}
\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF\uD800
true \uD800\uDFFF\uD800\uDFFF\uD800\uDFFF 0

\uD800\uDFFF{3,4}
\uD800\uDFFF\uD800\uD800\uDFFF\uD800\uDFFF
false 0

\uDFFF\uD800{3,5}
\uDFFF\uD800\uD800\uD800\uD800\uD800\uD800\uD800
true \uDFFF\uD800\uD800\uD800\uD800\uD800 0

\uD800\uDFFF{3,5}
\uD800\uDFFF\uDFFF\uDFFF
false 0

\uD800\uDFFF{3,5}
\uD800\uDFFF\uD800\uD800\uDFFF\uD800\uDFFF\uD800\uDFFF
true \uD800\uDFFF\uD800\uDFFF\uD800\uDFFF 0

// Groupings
(\uD800(\uDFFF))
\uD800\uDFFF
false 2

(\uD800(\uDC00)(\uDFFF))
\uD800\uDC00\uDFFF
false 3

((\uD800)(\uDFFF))
\uD800\uDFFF
false 3

(\uD800(\uDFFF)\uDFFF)
\uD800\uDFFF
false 2

(\uDFFF(\uD800)(\uDBFF))
\uDFFF\uD800\uDBFF
true \uDFFF\uD800\uDBFF 3 \uDFFF\uD800\uDBFF \uD800 \uDBFF

(\uDFFF(\uD800)(\uDC00))
\uDFFF\uD800\uDC00
false 3

(\uDFFF\uD800(\uDC00\uDBFF))
\uDFFF\uD800\uDC00\uDBFF
false 2

(\uD800\uDFFF(\uDBFF)(\uDC00))
\uD800\uDFFF\uDBFF\uDC00
false 3

(\uD800\uDFFF(\uDBFF\uDC00))
\uD800\uDFFF\uDBFF\uDC00
true \uD800\uDFFF\uDBFF\uDC00 2 \uD800\uDFFF\uDBFF\uDC00 \uDBFF\uDC00