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Regex To Get Domain Name From Url - Programming - Nairaland

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Regex To Get Domain Name From Url by 3exe3: 10:18am On Mar 28, 2023
"(http(s):\/\/)?(www\.)?([a-zA-z]+\.){0,}(\w)+)"

this is the regex i wrote but i have no match if i do

example.com
ab.example.com
www.example.com

1 Like

Re: Regex To Get Domain Name From Url by truthCoder: 1:52pm On Mar 28, 2023
3exe3:
"(http(s):\/\/)?(www\.)?([a-zA-z]+\.){0,}(\w)+)"

this is the regex i wrote but i have no match if i do

example.com
ab.example.com
www.example.com

^(?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?([^:\/\n]+)

Explanation:
^ matches the beginning of the string
(?:https?:\/\/)? is a non-capturing group that matches http:// or https:// if they are present
(?:[^@\n]+@)? is a non-capturing group that matches the username and password (if any) that might be present in the URL
(?:www\.)? is a non-capturing group that matches the www. prefix (if any)
([^:\/\n]+) is a capturing group that matches the domain name, which is any sequence of characters that are not a colon (smiley, a forward slash (/), or a newline character (\n)

Source: chatGPT

Test this and revert.

1 Like

Re: Regex To Get Domain Name From Url by airsaylongcome: 4:28pm On Mar 28, 2023
truthCoder:


^(?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?([^:\/\n]+)

Explanation:
^ matches the beginning of the string
(?:https?:\/\/)? is a non-capturing group that matches http:// or https:// if they are present
(?:[^@\n]+@)? is a non-capturing group that matches the username and password (if any) that might be present in the URL
(?:www\.)? is a non-capturing group that matches the www. prefix (if any)
([^:\/\n]+) is a capturing group that matches the domain name, which is any sequence of characters that are not a colon (smiley, a forward slash (/), or a newline character (\n)

Source: chatGPT

Test this and revert.

I swear CGPT is like cheat mode in a game. I love it.

3 Likes

Re: Regex To Get Domain Name From Url by 3exe3: 5:32pm On Mar 28, 2023
truthCoder:


^(?:https?:\/\/)?(?:[^@\n]+@)?(?:www\.)?([^:\/\n]+)

Explanation:
^ matches the beginning of the string
(?:https?:\/\/)? is a non-capturing group that matches http:// or https:// if they are present
(?:[^@\n]+@)? is a non-capturing group that matches the username and password (if any) that might be present in the URL
(?:www\.)? is a non-capturing group that matches the www. prefix (if any)
([^:\/\n]+) is a capturing group that matches the domain name, which is any sequence of characters that are not a colon (smiley, a forward slash (/), or a newline character (\n)


thanks will test it
Source: chatGPT

Test this and revert.
Re: Regex To Get Domain Name From Url by truthCoder: 5:48pm On Mar 28, 2023
airsaylongcome:


I swear CGPT is like cheat mode in a game. I love it.
I swear.

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