Edit File: to-reg-exp.js
'use strict'; var regexParser = require('regex-parser'); var REGEXP = /(\/?)(.+)\1([a-z]*)/i; /** * Parse the give value as a regular expression or give a pass-none expression where it is invalid * @param {RegExp|string|*} value An existing expression, or its string representation, or degenerate value * @returns {RegExp} The given expression or one matching the RegExp string else a pass-none expression */ function toRegExp(value) { return ((typeof value === 'object') && (typeof value.test === 'function') && value) || ((typeof value === 'string') && REGEXP.test(value) && regexParser(value)) || (/^true$|^$/.test(value) && /.*/) || /matchnone^/; } module.exports = toRegExp;
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