whole_func_string: function (string) { // string.check check sting type and size
  
              return ((typeof string === 'string' || string instanceof String)
                      && string.length >= this.min
                      && string.length <= this.max
                      && (!this.match || string.match(this.match))
                     );
            }
func_code_string: function (string) { // string.check check sting type and size
  
              return ((typeof string === 'string' || string instanceof String)
                      && string.length >= this.min
                      && string.length <= this.max
                      && (!this.match || string.match(this.match))
                     );
            }
func_documentation_string: string.max Maximum length of the string