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string.c(rb_str_split_m): Handle /\K/ correctly

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Use BEG(0) instead of the result of rb_reg_search to handle the cases
when the separator Regexp contains /\K/ (lookbehind) operator.

Fixes [Bug #17113]
This commit is contained in:
Kasumi Hanazuki 2020-08-11 09:32:02 +00:00 • committed by Nobuyoshi Nakada
parent 66efe37311
commit e79cdcf61b
Notes: git 2020-08-12 10:02:06 +09:00
2 changed files with 7 additions and 1 deletions
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5
test/ruby/test_string.rb
View file

@ -1838,6 +1838,11 @@ CODE
assert_equal("abc", s)
end
def test_split_lookbehind
assert_equal([S("ab"), S("d")], S("abcd").split(/(?<=b)c/))
assert_equal([S("ab"), S("d")], S("abcd").split(/b\Kc/))
end
def test_squeeze
assert_equal(S("abc"), S("aaabbbbccc").squeeze)
assert_equal(S("aa bb cc"), S("aa bb cc").squeeze(S(" ")))