MarkdownDeep.StringScanner.Extract C# (CSharp) Method

        public string Extract()
        {
            if (mark >= pos)
                return "";

            return str.Substring(mark, pos - mark);
        }

        public void Tests()
        {
            var p = new StringScanner();

            p.Reset("This is a string with something [bracketed]");
            Assert.IsTrue(p.Bof);
            Assert.IsFalse(p.Eof);
            Assert.IsTrue(p.SkipString("This"));
            Assert.IsFalse(p.Bof);
            Assert.IsFalse(p.Eof);
            Assert.IsFalse(p.SkipString("huh?"));
            Assert.IsTrue(p.SkipLinespace());
            Assert.IsTrue(p.SkipChar('i'));
            Assert.IsTrue(p.SkipChar('s'));
            Assert.IsTrue(p.SkipWhitespace());
            Assert.IsTrue(p.DoesMatchAny(new char[] { 'r', 'a', 't'} ));
            Assert.IsFalse(p.Find("Not here"));
            Assert.IsFalse(p.Find("WITH"));
            Assert.IsFalse(p.FindI("Not here"));
            Assert.IsTrue(p.FindI("WITH"));
            Assert.IsTrue(p.Find('['));
            p.SkipForward(1);
            p.Mark();
            Assert.IsTrue(p.Find(']'));
            Assert.AreEqual("bracketed", p.Extract());
            Assert.IsTrue(p.SkipChar(']'));
            Assert.IsTrue(p.Eof);
        }