Class: MatchData

match(index=0) click to toggle source

Return the primary match string. This is equivalent to +md[0]+.

  md = /123/.match "123456"
  md.match  #=> "123"

CREDIT: Martin DeMello

    # File lib/core/facets/matchdata/match.rb, line 10
10:   def match(index=0)
11:     self[index]
12:   end

matchset() click to toggle source

Returns [ pre_match, matchtree, post_match ]. (see matchtree)

  md = /(bb)(cc(dd))(ee)/.match "XXaabbccddeeffXX"
  md.to_a      #=> ["XXaabbccddeeffXX", "bb", "ccdd", "dd", "ee"]
  md.matchset  #=> ["XXaa", [["bb"], ["cc", ["dd"]], "ee"], "ffXX"]

CREDIT: Trans

    # File lib/core/facets/matchdata/matchset.rb, line 11
11:   def matchset
12:      [pre_match, matchtree, post_match]
13:   end

matchtree(index=0) click to toggle source

An alternate to # which returns the matches in order corresponding with the regular expression.

  md = /(bb)(cc(dd))(ee)/.match "XXaabbccddeeffXX"
  md.to_a       #=> ["XXaabbccddeeffXX", "bb", "ccdd", "dd", "ee"]
  md.matchtree  #=> [["bb"], ["cc", ["dd"]], "ee"]

CREDIT: Trans

    # File lib/core/facets/matchdata/matchset.rb, line 24
24:   def matchtree(index=0)
25:     ret=[]
26:     b, e=self.begin(index), self.end(index)
27:     while (index+=1)<=length
28:       if index==length || (bi=self.begin(index))>=e
29:         # we are finished, if something is left, then add it
30:         ret << string[b, e-b] if e>b
31:         break
32:       else
33:         if bi>=b
34:           ret << string[b, bi-b] if bi>b
35:           ret << matchtree(index)
36:           b=self.end(index)
37:         end
38:       end
39:     end
40:     return ret
41:   end

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