How can I use regex in a JavaScript function to return true if the

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Editorial Team

Asked: May 26, 20262026-05-26T06:41:50+00:00 2026-05-26T06:41:50+00:00

How can I use regex in a JavaScript function to return true if the url is of the form:

http://<any string without a dot>.one.two.com

and false otherwise?

for example it would return true for the following:

http://helloworld.one.two.com , http://poop.one.two.com , etc.

for example, it would return false for

http://rawr.zero.one.two.com , http://two.com , etc.

Thanks!

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Editorial Team · Answer 1 · 2026-05-26T06:41:50+00:00

Editorial Team

/^http:\/\/[^.]*\.one\.two\.com$/

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