core :: Text :: search_last_up_to
t
before up_to
.assert "bobbob".search_last_up_to("b", 3).from == 2
assert "bobbob".search_last_up_to("b", 6).from == 5
assert "bobbob".search_last_up_to("b", 0) == null
# Search the last occurence of the text `t` before `up_to`.
#
# assert "bobbob".search_last_up_to("b", 3).from == 2
# assert "bobbob".search_last_up_to("b", 6).from == 5
# assert "bobbob".search_last_up_to("b", 0) == null
fun search_last_up_to(t: Text, up_to: Int): nullable Match do
var i = up_to - t.length
while i >= 0 do
if substring(i, t.length) == t then
return new Match(self.to_s, i, t.length)
end
i -= 1
end
return null
end
lib/core/text/string_search.nit:385,2--400,4