instiki/app/models/wiki_words.rb

# Contains all the methods for finding and replacing wiki words
module WikiWords
  # In order of appearance: Latin, greek, cyrillian, armenian
  I18N_HIGHER_CASE_LETTERS =
    "À<EFBFBD>?ÂÃÄÅĀĄĂÆÇĆČĈĊĎ<C48A>?ÈÉÊËĒĘĚĔĖĜĞĠĢĤĦÌ<C4A6>?Î<>?ĪĨĬĮİIJĴĶ<C4B4>?ĽĹĻĿÑŃŇŅŊÒÓÔÕÖØŌ<C398>?ŎŒŔŘŖŚŠŞŜȘŤŢŦȚÙÚÛÜŪŮŰŬŨŲŴ<C5B2>?ŶŸŹŽŻ" + 
    "ΑΒΓΔΕΖΗΘΙΚΛΜ<EFBFBD>?ΞΟΠΡΣΤΥΦΧΨΩ" + 
    "ΆΈΉΊΌΎ<EFBFBD>?ѠѢѤѦѨѪѬѮѰѲѴѶѸѺѼѾҀҊҌҎ<D28C>?ҒҔҖҘҚҜҞҠҢҤҦҨҪҬҮҰҲҴҶҸҺҼҾ<D2BC>?ӃӅӇӉӋ<D389>?<3F>?ӒӔӖӘӚӜӞӠӢӤӦӨӪӬӮӰӲӴӸЖ" +
    "ԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿՀ<EFBFBD>?ՂՃՄՅՆՇՈՉՊՋՌ<D58B>?<3F>?<3F>?ՑՒՓՔՕՖ"

  I18N_LOWER_CASE_LETTERS =
    "àáâãäå<EFBFBD>?ąăæçć<C3A7>?ĉċ<C489>?đèéêëēęěĕėƒ<C497>?ğġģĥħìíîïīĩĭįıijĵķĸłľĺļŀñńňņʼnŋòóôõöø<C3B6>?ő<>?œŕřŗśšş<C5A1>?șťţŧțùúûüūůűŭũųŵýÿŷžżźÞþßſ<C39F>?ð" +
    "άέήίΰαβγδεζηθικλμνξοπ<EFBFBD>?ςστυφχψωϊϋό<CF8B>?ώ<>?" +
    "абвгдежзийклмнопр<EFBFBD>?туфхцчшщъыь<D18B>?ю<>?<3F>?ёђѓєѕіїјљћќ<D19B>?ўџѡѣѥѧѩѫѭѯѱѳѵѷѹѻѽѿ<D1BD>?ҋ<>?<3F>?ґғҕҗҙқ<D299>?ҟҡңҥҧҩҫҭүұҳҵҷҹһҽҿӀӂӄӆӈӊӌӎӑӓӕӗәӛ<D399>?ӟӡӣӥӧөӫӭӯӱӳӵӹ" +
    "աբգդեզէըթժիլխծկհձղճմյնշոչպջռսվտր<EFBFBD>?ւփքօֆև"

  WIKI_WORD_PATTERN = '[A-Z' + I18N_HIGHER_CASE_LETTERS + '][a-z' + I18N_LOWER_CASE_LETTERS + ']+[A-Z' + I18N_HIGHER_CASE_LETTERS + ']\w+'
  CAMEL_CASED_WORD_BORDER = /([a-z#{I18N_LOWER_CASE_LETTERS}])([A-Z#{I18N_HIGHER_CASE_LETTERS}])/u

  def self.separate(wiki_word)
    wiki_word.gsub(CAMEL_CASED_WORD_BORDER, '\1 \2')
  end

end