text: 'use strict';
  const has_int_in_sqr_brackets_str = `/.*\\[-?(0|[1-9]\\d*)].*/`;
  const has_integer_in_sqr_brackets = new RegExp(has_int_in_sqr_brackets_str);
  
  module.exports = {
      has_int_in_sqr_brackets_str: has_int_in_sqr_brackets_str,
      has_integer_in_sqr_brackets: has_integer_in_sqr_brackets,
  };