_.escapeRegExp(转义正则特殊字符)
_.escapeRegExp([string=''])_.escapeRegExp('[lodash](https://lodash.com/)');
// => '\[lodash\]\(https://lodash\.com/\)'Last updated
_.escapeRegExp([string=''])_.escapeRegExp('[lodash](https://lodash.com/)');
// => '\[lodash\]\(https://lodash\.com/\)'Last updated