blob: a8eb884e3d3ea74555e045a72b2576bd24f74ea9 [file] [log] [blame] [edit]
=>(a|b{0,3}){0,1}
a
aa
b
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bbb
bbbb
ab
ba
=>([0-9]{0,3}|([0-9]{0}|[0-9]{0,3})){0,3}
0
00
123
abc