如题,不太清楚这个reStrSymbol到底是干什么的,想请经验人士解释一二,谢谢var reStrSymbol = /[^\ud800-\udfff]|[\ud800-\udbff][\udc00-\udfff]|[\ud800-\udfff]/g; // Safely create a real, live array from anything iterable. _.toArray = function(obj) { if (!obj) return []; if (_.isArray(obj)) return slice.call(obj); if (_.isString(obj)) { // Keep surrogate pair characters together return obj.match(reStrSymbol); } if (isArrayLike(obj)) return _.map(obj, _.identity); return _.values(obj); };
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