BUG: Fix ValueError in DataFrame/Series regex replace for all-NA values #60691
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doc/source/whatsnew/v3.0.0.rstfile if fixing a bug or adding a new feature.In case of all-NA values,
pandas.core.array_algos.replace.compare_or_regex_searchthrows aValueErroras it callsnp.vectorizewithout specifyingotypes. Specifyingotypesletsnp.vectorizework with empty arrays.