ref: 9301bca7cc870a02996ce0edc340021527057784
dir: /lib/regex/test/subst.myr/
use std use "testmatch" const main = { var s : byte[:] var e : byte[:] s = std.strjoin([ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ][:], "") e = std.strcat(s[:s.len - 2], "XYZ") testsub(".*bc", "Abc", [][:], `std.Some "Abc") testsub("(a*)*", "a", ["b"][:], `std.Some "b") testsub("(aa|aab?)*", s, ["XYZ"][:], `std.Some e) /* greedy matches */ testsub("(<.*>).*", \ "<a foo> blah <bar>", \ ["some shite"][:], \ `std.Some "some shite") /* reluctant matches */ testsub("(<.*?>).*", \ "<a foo> blah <bar>", \ ["<some tag>"][:], \ `std.Some "<some tag> blah <bar>") /* multiple subs */ testsub("([a-z]*)[^a-z]*([a-z]*)foo", \ "abc123foofoo", \ ["XYZ", "ABC"][:], \ `std.Some "XYZ123ABCfoo") /* failure */ testsub("([a-z]*).*([a-z]*)foo", \ "abc123foobar", \ ["XYZ", "ABC"][:], \ `std.None) /* suball */ testsuball("([a-z]*)_", \ "a_1bb_2ccccccc_12d", \ ["---"][:], \ `std.Some "---_1---_2---_12d") }