System.Text.RegularExpressions.RegexParser.ScanCapname C# (CSharp) Method

        internal string ScanCapname()
        {
            int startpos = Textpos();

            while (CharsRight() > 0)
            {
                if (!RegexCharClass.IsWordChar(MoveRightGetChar()))
                {
                    MoveLeft();
                    break;
                }
            }

            return _pattern.Substring(startpos, Textpos() - startpos);
        }