var isFunction = require('./isFunction'), isMasked = require('./_isMasked'), isObject = require('./isObject'), toSource = require('./_toSource');
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
var reIsHostCtor = /^\[object .+?Constructor\]$/;
var funcProto = Function.prototype, objectProto = Object.prototype;
var funcToString = funcProto.toString;
var hasOwnProperty = objectProto.hasOwnProperty;
var reIsNative = RegExp('^' + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$');
function baseIsNative(value) { if (!isObject(value) || isMasked(value)) { return false; } var pattern = isFunction(value) ? reIsNative : reIsHostCtor; return pattern.test(toSource(value));}
module.exports = baseIsNative;