1# ordinary repetitions
2ab*c                &         abc       abc
3ab+c                -         abc       abc
4ab?c                -         abc       abc
5a\(*\)b             b         a*b       a*b
6a\(**\)b  b         ab        ab
7a\(***\)b bC        BADRPT
8*a                  b         *a        *a
9**a                 b         a         a
10***a                bC        BADRPT
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