如何在点后面拆分字符串，除非点后面的字符是数字

string = "example.com"
split_result = string.split('.')
if len(split_result) > 1:
    after_dot = split_result[1]
else:
    after_dot = ""
print(after_dot)

var string = "example.com";
var splitResult = string.split('.');
var afterDot = "";
if (splitResult.length > 1) {
    afterDot = splitResult[1];
}
console.log(afterDot);

String string = "example.com";
String[] splitResult = string.split("\\.");
String afterDot = "";
if (splitResult.length > 1) {
    afterDot = splitResult[1];
}
System.out.println(afterDot);