regex - deleting part of url

Question

How can I delete with regex from URL (string) http://test.com/org/category,1/2, this part:
/2 or /2/, with C# language

Of course, there will be numbers like category,1/412/, category,1/521, category,1/infinity..

How can I do this with regex?

that depends on what criteria you want to remove by. do you want to get rid of the last segment of a string which begins with '/'? — muhmuhten
– muhmuhten, Commented May 27, 2013 at 23:34
I want to delete segment/segments with int between /abc/, where abc is of course int type. — whoah
– whoah, Commented May 27, 2013 at 23:37

Qtax · Accepted Answer · 2013-05-27 23:38:31Z

4

It seems that you want to replace /\d+/?$ with empty string.

You could do that with:

url = Regex.Replace(url, @"/\d+/?$", "");

answered May 27, 2013 at 23:38

Qtax

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3 Comments

whoah Over a year ago

Could you explain me step by step elements of this regex /\d+/?$ ? Thanks in advance :)

muhmuhten Over a year ago

\d matches a "digit" character; + is equivalent to {1,}, one or more repetitions of the previous group. Thus, /, one or more digits, zero or one / (because of ?), end of line $.

Qtax Over a year ago

@whoah, it's as sreservoir explained it, with minor correction, $ in this case matches end of string (or end of line at end of string).

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