easy regexp

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Problem

Implement easy regexp.

Options

exec is denied

now post-mortem time, all source codes will be revealed

Sample input:_

[ABC](ABC|DEF)

Sample output:

AABC
ADEF
BABC
BDEF
CABC
CDEF

Sample input:_

AB?(ABC|DEF)?FF[XYZ]?

Sample output:

AFF
AFFX
AFFY
AFFZ
AABCFF
AABCFFX
AABCFFY
AABCFFZ
ADEFFF
ADEFFFX
ADEFFFY
ADEFFFZ
ABFF
ABFFX
ABFFY
ABFFZ
ABABCFF
ABABCFFX
ABABCFFY
ABABCFFZ
ABDEFFF
ABDEFFFX
ABDEFFFY
ABDEFFFZ

Sample input:_

(Objective-|Aspect|Concept)?[CD](++|--|#|omega)?

Sample output:

C
C++
C--
C#
Comega
D
D++
D--
D#
Domega
Objective-C
Objective-C++
Objective-C--
Objective-C#
Objective-Comega
Objective-D
Objective-D++
Objective-D--
Objective-D#
Objective-Domega
AspectC
AspectC++
AspectC--
AspectC#
AspectComega
AspectD
AspectD++
AspectD--
AspectD#
AspectDomega
ConceptC
ConceptC++
ConceptC--
ConceptC#
ConceptComega
ConceptD
ConceptD++
ConceptD--
ConceptD#
ConceptDomega

Ranking

Ruby _

Rank	User	Size	Time	Date	Statistics
1	niha	123	0.2646	2007/03/13 22:44:28	0B / 44B / 75B
2	flagitious	124	0.2539	2007/03/13 11:19:35	0B / 40B / 74B
3	shinh	124	0.2466	2007/03/15 11:47:51	0B / 30B / 88B
4	flagitious	114	0.2473	2007/03/15 13:20:36	0B / 36B / 68B
5	shinh(other)	124	0.8334	2007/03/15 22:36:04	0B / ?B / ?B
6	tabasa	976	0.2035	2007/11/14 01:29:44	79B / 445B / 207B

Perl _

Rank	User	Size	Time	Date	Statistics
1	ySas	105	0.4880	2007/03/14 23:35:51	2B / 34B / 69B
2	whio	81	0.0509	2014/04/10 08:26:12	0B / 18B / 62B
3	eban	95	0.5455	2008/01/03 23:45:22	0B / 23B / 70B
4	jonathan camacho	313	0.0342	2014/07/19 13:21:33	0B / 86B / 184B

Python _

Rank	User	Size	Time	Date	Statistics
1	mskzzzz	209	0.3184	2007/03/14 16:10:47	0B / 89B / 101B
2	SeeNoEvil	233	0.3830	2007/03/14 19:29:43	0B / 105B / 103B
3	mskzzzz	206	0.3321	2007/04/22 21:25:51	0B / 85B / 102B
4	user_1	227	0.0924	2020/11/29 07:36:22	0B / 89B / 101B
5	_	490	0.0724	2019/04/30 20:11:10	0B / ?B / ?B
6	tabasa	973	0.1648	2007/11/14 08:18:15	62B / 454B / 268B

PHP _

Rank	User	Size	Time	Date	Statistics
1	o-cn	179	0.0274	2010/01/01 22:24:02	95B / 48B / 35B

Common LISP _

Rank	User	Size	Time	Date	Statistics
1	kozima	239	0.3839	2007/05/16 12:33:35	0B / 117B / 111B

JavaScript _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	159	0.1123	2008/06/19 22:00:58	0B / 71B / 86B

Prolog _

Rank	User	Size	Time	Date	Statistics
1	mskzzzz	265	0.3006	2007/05/22 04:01:54	0B / 107B / 152B

J _

Rank	User	Size	Time	Date	Statistics
1	I., S.(embed)	135	0.1222	2011/01/21 22:42:37	0B / 67B / 62B

C _

Rank	User	Size	Time	Date	Statistics
1	7gyou	295	0.0836	2007/03/15 06:38:26	0B / 129B / 166B
2	hinoe	298	0.0880	2007/03/14 00:24:40	0B / 127B / 170B
3	zzo38(7gyou)	261	0.0492	2011/05/27 07:47:39	0B / 118B / 143B
4	7gyou(after)	263	0.0888	2007/03/19 18:38:44	0B / 119B / 144B

D _

Rank	User	Size	Time	Date	Statistics
1	kurimura	325	0.0801	2007/03/14 22:28:48	0B / 154B / 164B
2	yt	455	0.0894	2007/03/13 20:35:31	0B / ?B / ?B

OCaml _

Rank	User	Size	Time	Date	Statistics
1	ksk	270	0.8674	2007/03/15 03:06:38	0B / 128B / 136B
2	m.ukai	288	0.2920	2007/03/13 16:09:29	0B / 153B / 115B

Haskell _

Rank	User	Size	Time	Date	Statistics
1	tanakh	208	0.2749	2007/03/14 21:24:34	0B / ?B / ?B
2	irori	209	0.2406	2007/03/15 00:19:13	0B / 84B / 107B
3	kurimura	195	0.0873	2007/03/16 18:21:46	0B / 103B / 72B

Ada _

Rank	User	Size	Time	Date	Statistics
1	yt	591	0.0890	2007/03/13 20:38:29	0B / ?B / ?B

sed _

Rank	User	Size	Time	Date	Statistics
1	emoken	317	0.8684	2007/03/14 09:08:02	0B / 63B / 212B
2	tails	165	0.0338	2020/01/13 16:40:18	0B / 40B / 113B

Bash _

Rank	User	Size	Time	Date	Statistics
1	eban	110	0.6442	2007/03/13 23:14:00	0B / 33B / 71B
2	shinh	115	0.3383	2007/03/15 11:41:09	0B / 27B / 81B
3	tails (shinh)	99	0.0137	2020/01/13 16:01:41	0B / 28B / 67B
4	shinh	102	0.6266	2007/03/15 12:59:47	0B / 27B / 69B

Postscript _

Rank	User	Size	Time	Date	Statistics
1	ySas	232	0.9240	2007/05/16 17:22:04	90B / 69B / 73B
2	ySas(not bin)	452	0.8559	2007/05/16 17:22:49	0B / 337B / 62B

Unlambda _

Rank	User	Size	Time	Date	Statistics
1	irori	578	0.0331	2007/03/18 13:29:40	0B / 250B / 328B

goruby _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	100	0.3855	2008/07/26 10:08:44	0B / 30B / 60B

Groovy _

Rank	User	Size	Time	Date	Statistics
1	murky-satyr	141	4.5881	2010/01/03 04:20:23	0B / 55B / 84B

Language Ranking_

Rank	Lang	User	Size	Score
1	Perl	whio	81	10000
2	Bash	tails (shinh)	99	8181
3	goruby	murky-satyr	100	8100
4	Ruby	flagitious	114	7105
5	J	I., S.(embed)	135	6000
6	Groovy	murky-satyr	141	5744
7	JavaScript	murky-satyr	159	5094
8	sed	tails	165	4909
9	PHP	o-cn	179	4525
10	Haskell	kurimura	195	4153
11	Python	mskzzzz	206	3932
12	Postscript	ySas	232	3491
13	Common LISP	kozima	239	3389
14	C	zzo38(7gyou)	261	3103
15	Prolog	mskzzzz	265	3056
16	OCaml	ksk	270	3000
17	D	kurimura	325	2492
18	Unlambda	irori	578	1401
19	Ada	yt	591	1370

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