method
_expand_ch
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Class: String
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_expand_ch(str)
private
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# File lib/jcode.rb, line 99 def _expand_ch str a = [] str.scan(/(?:\\(.)|([^\\]))-(?:\\(.)|([^\\]))|(?:\\(.)|(.))/m) do from = $1 || $2 to = $3 || $4 one = $5 || $6 if one a.push one elsif from.length != to.length next elsif from.length == 1 from[0].upto(to[0]) { |c| a.push c.chr } else from.upto(to) { |c| a.push c } end end a end