ARCed.Scintilla.FindReplace.Find C# (CSharp) Method

        public Range Find(Range r, Regex findExpression, bool searchUp)
        {
            // Single line and Multi Line in RegExp doesn't really effect
            // whether or not a match will include newline charaters. This
            // means we can't do a line by line search. We have to search
            // the entire range becuase it could potentially match the
            // entire range.

            Match m = findExpression.Match(r.Text);

            if (!m.Success)
                return null;

            if (searchUp)
            {
                // Since we can't search backwards with RegExp we
                // have to search the entire string and return the
                // last match. Not the most efficient way of doing
                // things but it works.
                Range range = null;
                while (m.Success)
                {
                    range = new Range(r.Start + m.Index, r.Start + m.Index + m.Length, Scintilla);
                    m = m.NextMatch();
                }
                return range;
            }

            return new Range(r.Start + m.Index, r.Start + m.Index + m.Length, Scintilla);
        }