def extract_version(value)
      value = value.to_s.split('|')[0] if value.to_s.include? '|'
      regexp_to_match = /\d{1,}/
      if (not regexp_to_match.match(value).nil?)
        version = regexp_to_match.match(value)[0]
      else
        version = ''
      end
      version
    end
def extract_version(value)
      value = value.to_s.split('|')[0] if value.to_s.include? '|'
      regexp_to_match = /\d{1,}/
      if (not regexp_to_match.match(value).nil?)
        version = regexp_to_match.match(value)[0]
      else
        version = ''
      end
      version
    end
Extracts version from browser string

 @example
   extract_version(:'safari5|linux|iphone') will extract
 browser = safari

 @param  [String] the browser string passed into the method
 @return [String] the version value