Re: Regex: Lookahead

want my regex to "find any instance of a url not followed by a quote or a carrot"

Oh, but it does. Except that you failed to realize that http://www.google.co is also a URL not followed by a quote or a carrot.

And you don't need the bar inside a character class. Unless you want to match a bar as well.

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Re^2: Regex: Lookahead by Rodster001 (Pilgrim) on May 12, 2009 at 15:33 UTC
What did I fail to realize? The first line does not have a carrot or a quote, so I want it to match there. The second line does have a quote following it, so I want it to fail on that one (do nothing).	[reply]
Re^3: Regex: Lookahead by ikegami (Patriarch) on May 12, 2009 at 15:44 UTC
The second line does have a quote following it, "it"? There are many urls in the second line. Yes, one of them is followed by a quote. But you asked to find one that isn't followed by a quote, and `perl` found one. "`http://www.google.co`" is followed by a "`m`", not a quote.	[reply] [d/l] [select]