Note: Only regular expression literals and objects created with RegExp are considered.
RegExp
Type ECMAScript code:
var letterRE = new RegExp('[a-zA-Z]', 'g'), digitRE = RegExp('[0-9]'); // This is from json2.js. if (/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { }
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Using Esprima version .