URL Regular Expression
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Thu. Feb. 28th, 2008 4:10 PM
This is as close to a perfect URL regular expression as I've come. It's based on RFC 3986.
A few caveats:
It only accepts http/https/ftp URLs by design, but you could change that to accept any valid URI pretty easily.
It doesn't support IP-based URLs or authenticated URLs. This is also by design, but you could change that with a little work.
A few caveats:
It only accepts http/https/ftp URLs by design, but you could change that to accept any valid URI pretty easily.
It doesn't support IP-based URLs or authenticated URLs. This is also by design, but you could change that with a little work.
#((ht|f)tp(s?)://)(([a-z0-9]([a-z0-9]|-)*[a-z0-9]|[a-z0-9])\.)+([a-z]([a-z0-9]|-)*[a-z0-9]|[a-z])(/([a-z0-9\.!$&'\(\)*+,;=_~:@-]|%[a-f0-9]{2})*)*(\?[a-z0-9\.!$&'\(\)*+,;=_~:@/?-]*)?(\#[a-z0-9\.!$&'\(\)*+,;=_~:@/?-]*)?#i
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