Method: String#sort_form

Defined in:
lib/libis/tools/extend/string.rb

#sort_form ⇒ Object

Create sortable object from string. Supports better natural sorting.



12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
# File 'lib/libis/tools/extend/string.rb', line 12

def sort_form
  result = []
  matcher = /^(\D*)(\d*)(.*)$/
  self.split('.').each { |s|
    while !s.empty? and (x = matcher.match s)
      a = x[1].to_s.strip
      b = a.gsub(/[ _]/, '')
      result << [b.downcase, b, a]
      result << x[2].to_i
      s = x[3]
    end
  }
  result
end