arashandishgar commented on code in PR #45577:
URL: https://github.com/apache/arrow/pull/45577#discussion_r1969954741
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cpp/src/arrow/compute/kernels/scalar_string_test.cc:
##########
@@ -1958,6 +1960,29 @@ TYPED_TEST(TestBaseBinaryKernels, ExtractRegex) {
R"([{"letter": "a", "digit": "1"}, {"letter": "b", "digit":
"3"}])",
&options);
}
+TYPED_TEST(TestBaseBinaryKernels, ExtractRegexSapn) {
+ ExtractRegexSpanOptions options{"(?P<letter>[ab])(?P<digit>\\d)"};
Review Comment:
could you elaborate what do you mean ?Actually, I see the similar behaviour
in arrow(remember that the entire extract_regex computation is on the re2),.
```
ExtractRegexSpanOptions options{"(?P<foo>foo)?(?P<digit>\\d+)?"};
this->CheckUnary("extract_regex_span", R"(["abcfoo"])",
out_type,
R"([{"foo":null,"digit":null}])",
&options);
```
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