flutter比较检查两个url是否相似

Question

我想比较flutter中的两个url链接，看看它们是否相似，然后返回一个真值。一个例子是比较以下链接

https://stackoverflow.com/
https://stackoverflow.com/questions/ask

Answer 1

我会这样做：

var link1 = 'https://stackoverflow.com/';
var link2 = 'https://stackoverflow.com/questions/ask';
print(link2.contains(link1)); => it will return true

Answer 2

这个stackerflow答案显示用于域名匹配的regex。你可以这样使用它：

final domainRegex = RegExp(r"^(?:https?://)?(?:[^@n]+@)?(?:www.)?([^:/n?]+)");
var firstUrl = 'https://stackoverflow.com/';
var secondUrl = 'https://stackoverflow.com/questions/ask';
var firstDomain = domainRegex.firstMatch(first_url)?.group(1);   //stackoverflow.com
var secondDomain = domainRegex.firstMatch(second_url)?.group(1);   //stackoverflow.com
print(firstDomain == secondDomain);  //returns true