22 2@|@EMPTY@NO ALTERNATION
28 2@a||b@EMPTY@NO ALTERNATION
29 2@|ab@EMPTY@NO ALTERNATION
30 2@ab|@EMPTY@NO ALTERNATION
31 2@(|a)b@EMPTY@NO ALTERNATION
32 2@(a|)b@EMPTY@NO ALTERNATION
33 2@(*a)@BADRPT@TO CORRECT
34 2@(+a)@BADRPT@TO CORRECT
35 2@(?a)@BADRPT@TO CORRECT
36 2@({1}a)@BADRPT@TO CORRECT
37 2@(a|*b)@BADRPT@NO ALTERNATION
38 2@(a|+b)@BADRPT@NO ALTERNATION
39 2@(a|?b)@BADRPT@NO ALTERNATION
40 2@(a|{1}b)@BADRPT@NO ALTERNATION
41 2@^*@BADRPT@TO CORRECT
42 2@^+@BADRPT@TO CORRECT
43 2@^?@BADRPT@TO CORRECT
44 2@^{1}@BADRPT@TO CORRECT
49 0@a\\\*b@a\*b@SHELL TROUBLE
51 2@a\@EESCAPE@SHELL TROUBLE
52 0@a\\bc@a\bc@TO CORRECT
58 0@a\$@a$@SHELL TROUBLE
60 1@a\\$@a$@SHELL TROUBLE
61 1@a\\$@a\$@SHELL TROUBLE
62 0@a\\$@a\@SHEL TROUBLE
67 0@{abc@{abc@TO CORRECT
69 2@{1}@BADRPT@TO CORRECT
80 2@a{1,x@EBRACE@TO CORRECT
81 2@a{300}@BADBR@TO CORRECT
82 2@a{1,0}@BADBR@TO CORRECT
90 2@a**@BADRPT@TO CORRECT
91 2@a++@BADRPT@TO CORRECT
92 2@a??@BADRPT@TO CORRECT
93 2@a*+@BADRPT@TO CORRECT
94 2@a*?@BADRPT@TO CORRECT
95 2@a+*@BADRPT@TO CORRECT
96 2@a+?@BADRPT@TO CORRECT
97 2@a?*@BADRPT@TO CORRECT
98 2@a?+@BADRPT@TO CORRECT
99 2@a{1}{1}@BADRPT@TO CORRECT
100 2@a*{1}@BADRPT@TO CORRECT
101 2@a+{1}@BADRPT@TO CORRECT
102 2@a?{1}@BADRPT@TO CORRECT
103 2@a{1}*@BADRPT@TO CORRECT
104 2@a{1}+@BADRPT@TO CORRECT
105 2@a{1}?@BADRPT@TO CORRECT
106 0@a*{b}@a{b}@TO CORRECT
119 2@a[3-1]c@ERANGE@TO CORRECT
120 2@a[1-3-5]c@ERANGE@TO CORRECT
121 0@a[[.-.]--]c@a-c@TO CORRECT
126 2@a[[.x.]@EBRACK@TO CORRECT
127 0@a[[.x.]]@ax@TO CORRECT
128 2@a[[.x,.]]@ECOLLATE@TO CORRECT
129 0@a[[.one.]]b@a1b@TO CORRECT
130 2@a[[.notdef.]]b@ECOLLATE@TO CORRECT
131 0@a[[.].]]b@a]b@TO CORRECT
133 2@a[[:notdef:]]c@ECTYPE
137 2@a[[:alpha,:]@ECTYPE
141 2@a[[:alphabet:]]@ECTYPE
145 0@[[:xdigit:]]+@p0f3Cq
146 0@a[[=b=]]c@abc@TO CORRECT
150 2@a[[=b=]@EBRACK@TO CORRECT
151 2@a[[=b,=]]@ECOLLATE@TO CORRECT
152 0@a[[=one=]]b@a1b@TO CORRECT
156 0@a[ab]{20}@aaaaabaaaabaaaabaaaab
157 0@a[ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab]@aaaaabaaaabaaaabaaaab
158 0@a[ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab][ab](wee|week)(knights|night)@aaaaabaaaabaaaabaaaabweeknights
159 0@12345678901234567890123456789@a12345678901234567890123456789b
160 0@123456789012345678901234567890@a123456789012345678901234567890b
161 0@1234567890123456789012345678901@a1234567890123456789012345678901b
162 0@12345678901234567890123456789012@a12345678901234567890123456789012b
163 0@123456789012345678901234567890123@a123456789012345678901234567890123b
164 0@1234567890123456789012345678901234567890123456789012345678901234567890@a1234567890123456789012345678901234567890123456789012345678901234567890b
165 0@[ab][cd][ef][gh][ij][kl][mn]@xacegikmoq
166 0@[ab][cd][ef][gh][ij][kl][mn][op]@xacegikmoq
167 0@[ab][cd][ef][gh][ij][kl][mn][op][qr]@xacegikmoqy
168 0@[ab][cd][ef][gh][ij][kl][mn][op][q]@xacegikmoqy
171 0@a[Bc]*d@abBCcd@TO CORRECT
172 0@0[[:upper:]]1@0a1@TO CORRECT
173 0@0[[:lower:]]1@0A1@TO CORRECT
175 1@a[^b]c@aBc@TO CORRECT
182 0@(wee|week)(knights|night)@weeknights
183 0@(we|wee|week|frob)(knights|night|day)@weeknights
184 0@a[bc]d@xyzaaabcaababdacd
188 0@/\*.*\*/@/*x*/y/*z*/
189 0@/\*([^*]|\*[^/])*\*/@/*x*/
190 0@/\*([^*]|\*[^/])*\*/@/*x*/y/*z*/
191 0@/\*([^*]|\*[^/])*\*/@/*x**/y/*z*/
192 0@/\*([^*]|\*+[^*/])*\*+/@/*x*/
193 0@/\*([^*]|\*+[^*/])*\*+/@/*x*/y/*z*/
194 0@/\*([^*]|\*+[^*/])*\*+/@/*x**/y/*z*/
195 0@/\*([^*]|\*+[^*/])*\*+/@/*x****/y/*z*/
196 0@/\*([^*]|\*+[^*/])*\*+/@/*x**x*/y/*z*/
197 0@/\*([^*]|\*+[^*/])*\*+/@/*x***x/y/*z*/
199 0@[[:<:]]a@a@TO CORRECT
200 1@[[:<:]]a@ba@TO CORRECT
201 0@[[:<:]]a@-a@TO CORRECT
202 0@a[[:>:]]@a@TO CORRECT
203 1@a[[:>:]]@ab@TO CORRECT
204 0@a[[:>:]]@a-@TO CORRECT
205 0@[[:<:]]a.c[[:>:]]@axcd-dayc-dazce-abc@TO CORRECT
206 0@[[:<:]]a.c[[:>:]]@axcd-dayc-dazce-abc-q@TO CORRECT
207 0@[[:<:]]a.c[[:>:]]@axc-dayc-dazce-abc@TO CORRECT
208 0@[[:<:]]b.c[[:>:]]@a_bxc-byc_d-bzc-q@TO CORRECT
209 0@[[:<:]].x..[[:>:]]@y_xa_-_xb_y-_xc_-axdc@TO CORRECT
210 1@[[:<:]]a_b[[:>:]]@x_a_b@TO CORRECT
211 0@(A[1])|(A[2])|(A[3])|(A[4])|(A[5])|(A[6])|(A[7])|(A[8])|(A[9])|(A[A])@A1
212 0@abcdefghijklmnop@abcdefghijklmnop
213 0@abcdefghijklmnopqrstuv@abcdefghijklmnopqrstuv
214 0@CC[13]1|a{21}[23][EO][123][Es][12]a{15}aa[34][EW]aaaaaaa[X]a@CC11