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- originally had tests for regex meta characters strewn across regExp classes as well as wordRe, keyType, string. And had special-purpose quotemeta static function within string that relied on special naming convention for testing the meta characters. The regex meta character testing/handling now relegated entirely to the regExp class(es). Relocate quotemeta to stringOps, with a predicate. - avoid code duplication. Reuse some regExpCxx methods in regExpPosix
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