CODEWITHSUNDEEP
c#regexsearchienumerable
0xDEADBEEF
0xDEADBEEF

Reputation: 3431

Regex: Invert Match order

i have this snippet to perform a regex-search:

public IEnumerable<MyMatch> GetMyMatches() 
{
   Match m = myRegex.Match(Text, offset);
   if (m != null && m.Success && m.Value != null && m.Value.Length > 0)
   {
      offset = m.Index+m.Length;
      yield return new MyMatch() { Match=m, SomeFurtherInformation=... };
   } else
   yield break;
}

As you can see, i walk down all occourences in my text.

but how to inverse the search-direction?

thanks for your help

Upvotes: 4

Views: 1207

Answers (2)

ipr101
ipr101

Reputation: 24236

You could use 'Matches' then do a 'Reverse' on the returned IEnumerable.

Upvotes: 5

Steven Robbins
Steven Robbins

Reputation: 26599

There's a RightToLeft option in RegexOptions - you may have to adjust your expression too, but that will search "backwards" for you.

Upvotes: 2

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