Notepad++ camel case

For CamelCase / WikiCase : SEARCH = (?-is)([a-zA-Z])([a-zA-Z]+)|(|_)[a-zA-Z](|_)|[^a-zA-Z ]+ and REPLACE = u1L2

BEFORE Hi guys : o’nEil, and I, created A test. wHat DO you ThinK About IT? i QUITE like that mP3 Song! / ‘T_esT’ T-Est “aBc”.

AFTER HiGuysNeilAndCreatedTestWhatDoYouThinkAboutItQuiteLikeThatMpSongEstEstAbc

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For lowerCamelCase : SEARCH = (?-is)([a-zA-Z])([a-zA-Z]+)|(|_)[a-zA-Z](|_)|[^a-zA-Z ]+ and REPLACE = u1L2

then : SEARCH = (?-is)([A-Z][a-z]+){2,} REPLACE = l$0

BEFORE Hi guys : o’nEil, and I, created A test. wHat DO you ThinK About IT? i QUITE like that mP3 Song! / ‘T_esT’ T-Est “aBc”.

AFTER hiGuysNeilAndCreatedTestWhatDoYouThinkAboutItQuiteLikeThatMpSongEstEstAbc