js 字符串根据规则转换数组 希望大佬帮忙解答

Question

var str = '$.:pos[x]'` // 期望返回数组['.:pos', x]
var str2 = '$.:pos[x][y]'` // 期望返回['.:pos', "x", "y"]

Answer 1

var result = '$.:pos[x][y]'.match(/(?!\$\.\:pos)(\[[a-z]\])+/);
if(result){
    console.log(['.:pos', ...result[0].match(/[^\[\]]+/g)])
}