如何从字符串URL中获取主机域?
GetDomain有1个输入"URL",1个输出“域”
Example1
INPUT: http://support.domain.com/default.aspx?id=12345
OUTPUT: support.domain.com
Example2
INPUT: http://www.domain.com/default.aspx?id=12345
OUTPUT: www.domain.com
Example3
INPUT: http://localhost/default.aspx?id=12345
OUTPUT: localhost
https://stackoverflow.com/questions/14211973
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