module.exports = function isExtglob(str) {
if (typeof str !== 'string' || str === '') {
return false;
}
var match;
while ((match = /(\\).|([@?!+*]\(.*\))/g.exec(str))) {
if (match[2]) return true;
str = str.slice(match.index + match[0].length);
}
return false;
};