javascript - js正则匹配小括号中的内容

Question

var aa="ldfjsldfj(dsfasjfj3124123)";
小括号中是任意内容，怎样匹配出来

Answer 1

var aa="ldfjsldfj(dsfasjfj3124123)";
var result = aa.match(/\(([^)]*)\)/);
// 此时result＝["(dsfasjfj3124123)", "dsfasjfj3124123"];
if (result) {
    console.log(result[1]); // "dsfasjfj3124123"
}

Answer 2

/(.+)/

只取出小括号的内容