Regular Expressions 101

Library entries

URL match with any protocol like http,ftp, etc..

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Regular Expression
python

"
((?:[a-z0-9\.\-\+]*):\/\/(?:[^\s:@\/]+(?::[^\s:@\/]*)?@)?(?:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|\[[0-9a-f:\.]+\]|([a-z_-_0-9](?:[a-z_-_0-9-]{0,61}[a-z_-_0-9])?(?:\.(?!-)[a-z_-_0-9-]{1,63}(?<!-))*\.(?!-)(?:[a-z_-_-]{2,63}|xn--[a-z0-9]{1,59})(?<!-)\.?|[a-z_-_0-9](?:[a-z_-_0-9-]{0,61}[a-z_-_0-9])?(?:\.(?!-)[a-z_-_0-9-]{1,63}(?<!-))*|localhost))(?::\d{2,5})?(?:[\/?#][^\s]*)?\Z)
"
gm

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Submitted by anonymous - 2 years ago