Pchp.Library.PerlRegex.Match.MatchIndex C# (CSharp) Method

        internal virtual int MatchIndex(int cap)
        {
            int i = _matches[cap][_matchcount[cap] * 2 - 2];
            if (i >= 0)
                return i;

            return _matches[cap][-3 - i];
        }

 /// <summary>
 /// Call out to runmatch to get around visibility issues
 /// </summary>
 protected int MatchIndex(int cap)
 {
     return(runmatch.MatchIndex(cap));
 }