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							|  | /**
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							|  |  * Escape regexp special characters in `str`.
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							|  |  *
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							|  |  * @param {String} str
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							|  |  * @return {String}
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							|  |  * @api public
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							|  |  */
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							|  | 
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							|  | module.exports = function(str){
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							|  |   return String(str).replace(/([.*+?=^!:${}()|[\]\/\\])/g, '\\$1');
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							|  | }; |