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- =>a
- 1 a
- 1 a | a
- 0 b
- =>a|b
- 1 a
- 1 b
- 1 a | b
- 0 a{0}
- 0 b{0}
- =>a | b | a
- 1 a
- 1 b
- 1 a | b
- 1 b | a
- 1 a | b | b
- 1 a | b | a
- 1 b | a | b
- =>a,a
- 1 a,a
- 0 a
- 0 a,a,a
- =>a{0,3}
- 1 a{3}
- 1 a
- 1 a,a,a
- 1 a{1,3}
- =>(a|b){0,4}
- 1 a
- 1 b
- 1 a,b
- 1 a,b,a,b
- 0 b,a,b,a,b
- 1 b,a{1,3}
- 1 a{1,3},b
- 0 a{1,3},b,a
- 0 a{1,4},b
- 0 a{0,5}
- 1 (b|a){0,4}
- 0 (b|a){0,4},a
- 1 (a,b){0,2}
- 1 (a,b){0,1},b
- => a*
- 1 a
- 1 a?
- 1 a+
- 1 a*
- 1 a{0}
- => a+
- 1 a
- 0 a?
- 1 a+
- 0 a*
- 1 a?,a
- 1 a,a*
- 1 a*,a
- 1 a?,a*,a
- 1 a*,a?,a
- =>(a|b)*
- 1 a
- 1 b
- 1 a,b
- 1 a,b,a,b
- 1 (b|a){0,4}
- 1 (b|a){0,4},a
- 1 a*
- 1 b*
- 1 (a|b)*
- 1 a{1,3}
- 1 b,a{1,3}
- 1 a{1,3},b
- 1 a*,(a|b)*
- 1 a*,b{2,5}
- 1 a*,(a|b)*,b{2,5}
- =>(a|b)+,(c|d)
- 1 a+,c
- 0 a*,c
- 1 a,c
- 1 a,b*,a*,c
- # more complex
- =>(a|b),(a|c){0,100}
- 1 a{0,100},(a|c)
- 0 a{0,101},(a|c)
- # the example from cmsmcq at extreme markup 05
- =>(a, ((b, c, d){0,5}, e{0,1}){0,4}, f)
- 1 (a, b, (c, d, b){2,3}, c, d, e, f)
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