Module: Struggle::StringExtend

Defined in:
lib/struggle/concerns/string_extend.rb

Instance Method Summary collapse

Instance Method Details

#htmlClear ⇒ Object 



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# File 'lib/struggle/concerns/string_extend.rb', line 3

def htmlClear
  self.gsub(/<script.*?<\/script>/, "").gsub(/<iframe.*?<\/iframe>/, "")
end

#isCn ⇒ Object 



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# File 'lib/struggle/concerns/string_extend.rb', line 7

def isCn
  (self=~/[\u4e00-\u9fa5]/).nil? ? false : true
end

#isCnOrEn ⇒ Object 



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# File 'lib/struggle/concerns/string_extend.rb', line 11

def isCnOrEn
  (self=~/^[\u4e00-\u9fa5_a-zA-Z0-9]+$/).nil? ? false : true
end

#truncate(length = 30, truncate_string = "...") ⇒ Object 



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# File 'lib/struggle/concerns/string_extend.rb', line 15

def truncate(length = 30, truncate_string = "...")
  l=0
  char_array=self.unpack("U*")
  char_array.each_with_index do |c, i|
    l = l+ (c<127 ? 0.5 : 1)
    if l>=length
      return char_array[0..i].pack("U*")+(i<char_array.length-1 ? truncate_string : "")
    end
  end
  return self
end