I am looking for a way to parse URL without queryString using Regular expression.
i have url like "http://abc.com/csd?/aaa/bbb"
expected is like "http://abc.com/csd"
Anybody help me on this.
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This is a new or unique kind of regular expression?user166390– user1663902011-09-28 05:52:19 +00:00Commented Sep 28, 2011 at 5:52
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2Couldn't you use url.Split('?')[0]amit_g– amit_g2011-09-28 05:53:45 +00:00Commented Sep 28, 2011 at 5:53
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System.Uri class has methods that will help you in doing such thing without regex.Matías Fidemraizer– Matías Fidemraizer2011-09-28 05:54:35 +00:00Commented Sep 28, 2011 at 5:54
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Using a regex is probably not the best way to go, unless you're going to expand upon the use. I would simply use String.Substring(...) and String.IndexOf(...) for this. Regex is uber-slow by comparison.cwharris– cwharris2011-09-28 05:55:07 +00:00Commented Sep 28, 2011 at 5:55
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When you have exact char that is delimiting your string its always better to use string methods. Regular expressions are for more advanced cases.Piotr Auguscik– Piotr Auguscik2011-09-28 05:55:13 +00:00Commented Sep 28, 2011 at 5:55
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3 Answers
If you just want everything before the query string:
^[^?]+
Comments
Regex r = new Regex("(^[^?]+)");
Match m = r.Match("http://example.com/csd?/aaa/bbb");
// m.Groups[0].Value is your URL
Comments
You could use Substring and IndexOf
var someString = "http://abc.com/csd?/aaa/bbb";
someString.Substring(0, someString.IndexOf('?') - 1);
while this does not fully comply with the requirements stated in your question, it might be an easier approach - if actual implementation does not need to be RegEx.
