ASP.NET MVC: Match regex multiple times

Question

Regex: ^.*?(?=;)
Value: 00574/KVMK0224.jpg; 00574/1987432370PHANWHCO00MM.jpg
Now only matches: 00574/KVMK0224.jpg
Want: 00574/KVMK0224.jpg and 00574/1987432370PHANWHCO00MM.jpg

As I try to explain shortly I have a string with multiple image links, I made it working to get the first link, but now I want all links. I know how to use regex.Matches in C# to get multiple matches, the only thing I want to know is what regex to use for this.

What I have to get the first link:

    Regex regex = new Regex("^.*?(?=;)");
    Match match = regex.Match(link);
    if (match.Success)
    {
      part.ImageUrl = match.Value;
    }

What I made in order to get all links, I think everything is right on this exept of course the regex

    Regex regex = new Regex("^.*?(?=;)");
    foreach (Match match in regex.Matches(link))
    {
      list.Add(match.Value);
    }

Probably very simple to do this, but I don't have much experience with regexes.

Thanks in advance!

Rui Jarimba · Accepted Answer · 2012-12-27 10:53:21Z

3

If all values are separated by ; then you don't need a regular expression. Try this:

string imagesString = "....";
string[] images = imagesString.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);

Edit: Here you have an alternativ that uses regular expressions and handles white-space:

string imagesText = "00574/KVMK0224.jpg; 00574/1987432370PHANWHCO00MM.jpg";
string[] images = Regex.Split(imagesText, @"\s*;\s*");

This will work with or without white-space before or after ;

edited Dec 27, 2012 at 10:53

answered Dec 27, 2012 at 10:31

Rui Jarimba

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4 Comments

avb Over a year ago

Thanks! this works great! Only one last question, all the links after the first will have a space before it, how to get rid of that? (I know how to do it, but maybe there is a smooth way like this?)

Rui Jarimba Over a year ago

Just use the method .Trim() inside the foreach loop to get rid of extra white-space. PS: If my answer helped you, please mark it as the the correct answer. I'm glad I could help

Rui Jarimba Over a year ago

You're welcome. I edited my answer and included an alternative using regular expressions.

avb Over a year ago

Thanks for bringing up more ways to do this, Learning is never bad :)

mdelpeix · Accepted Answer · 2012-12-27 10:47:51Z

1

Perhaps you can try this one ?

[\w/]*?.jpg(?=;)?

edited Dec 27, 2012 at 10:47

answered Dec 27, 2012 at 10:38

mdelpeix

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2 Comments

avb Over a year ago

Thanks for your answer, but I prefer Rui Jarimba's way without using regexes. Really thanks for answering anyway!

mdelpeix Over a year ago

ok no problem, i like the regex's "elegance" :) i learn how to exclude a suffix thanks to you

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