Check if url has domain name and not an ip
14613
Regular expression to match DNS hostname or IP Address?
100088
How to redirect a URL to a custom IP address?
130096
How to test if a URL string is absolute or relative?
16161
How can I tell if I have static or dynamic IP Address?
18002
How to filter ranges of IP addresses?
138472
How do I extract the domain out of an URL?
128533
Regex for IP address
76864
What is the best way to check if a URL exists in PHP?
52968
Get the subdomain from a URL
129526
Get domain name from full URL
135006
How to redirect IP to domain?
147163
Wildcard DNS like "*-test.example.com"
53089
How do I know my IP address?
43050
Can I perform a DNS lookup (hostname to IP address) using client-side Javascript?
7336
What is the best regular expression to check if a string is a valid URL?
17824
How to detect the presence of URL in a string
78003
Obtaining a server IP address from hostname