Hello all.

match() function returns index of first match, but if there are multi-byte
chars before first match, then each multi-byte chars is interpreted as
several chars, so, index becomes wrong.

Say, match("foobar", "bar") returns 3, which is correct.  But
match("яfoobar", "bar")  returns 5, which is wrong (should be 4)

Notice: in the latter example above, I've inserted russian letter 'я',
which is multi-byte in utf-8.

It happens when &encoding is "utf-8".I've also tested it in windows, on
russian locale there's &encoding "cp1251", then match() works correctly
with russian chars. So, it depends on &encoding.

But we surely need to make match() work as expected when &encoding is
"utf-8" too.

--
Regards,
Dmitry

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