note 99088 deleted from regexp.reference.internal-options by danbrown

Note Submitter: lodemichels at gmail dot com ---- @Mike: (?: denotes a Non-Capturing subpattern (?i: denotes the same with an internal option for the subpattern i, making it caseless. concider: (?:i[a-z])([a-z]+) the first subpattern is caseless and non-capturing, the second is capturing and case sensitive. ((?:i[a-z]+)) doesn't make sense! if you want to capture the match in the result, you shouldn't use a non-capturing subpattern. You would use: ((?i)[a-z]+) without the collon (:)