10@a\(b\)c@abc
20@a(@a(
32@a\(@EPAREN
42@a\(b@EPAREN
50@a(b@a(b
60@a)@a)
72@a\)@EPAREN
82@\)@EPAREN
90@a\(\)b@ab
100@a^b@a^b@TO CORRECT
110@a$b@a$b
120@\($\)\(^\)@@
130@a*\(^b$\)c*@b
140@|@|
150@*@*
160@\(\)@abc
172@\(\{1\}a\)@BADRPT@TO CORRECT
180@^*@*
192@^\{1\}@BADRPT@TO CORRECT
200@{@{
211@a\(b*\)c\1d@abbcbd
221@a\(b*\)c\1d@abbcbbbd
231@^\(.\)\1@abc
240@a\(\([bc]\)\2\)*d@abbccd
251@a\(\([bc]\)\2\)*d@abbcbd
260@a\(\(b\)*\2\)*d@abbbd
270@\(a\)\1bcd@aabcd
280@\(a\)\1bc*d@aabcd
290@\(a\)\1bc*d@aabd
300@\(a\)\1bc*d@aabcccd
310@\(a\)\1bc*[ce]d@aabcccd@TO CORRECT
320@^\(a\)\1b\(c\)*cd$@aabcccd
330@a\(*\)b@a*b
340@a\(**\)b@ab
352@a\(***\)b@BADRPT@TO CORRECT
360@*a@*a
370@**a@a
382@***a@BADRPT@TO CORRECT
390@a\{1\}b@ab
400@a\{1,\}b@ab
410@a\{1,2\}b@aab
422@a\{1@EBRACE
432@a\{1a@EBRACE
442@a\{1a\}@BADBR
452@a\{,2\}@BADBR
462@a\{,\}@BADBR
472@a\{1,x\}@BADBR
482@a\{1,x@EBRACE
492@a\{32768\}@BADBR
502@a\{1,0\}@BADBR
510@ab\{0,0\}c@abcac
520@ab\{0,1\}c@abcac
530@ab\{0,3\}c@abbcac
540@ab\{1,1\}c@acabc
550@ab\{1,3\}c@acabc
560@ab\{2,2\}c@abcabbc
570@ab\{2,4\}c@abcabbc
582@a\{1\}\{1\}@BADRPT@TO CORRECT
592@a*\{1\}@BADRPT@TO CORRECT
602@a\{1\}*@BADRPT@TO CORRECT
611@a\(b\)?c\1d@acd
620@-\{0,1\}[0-9]*$@-5
63