MarkdownDeep.StringScanner.FindI C# (CSharp) Method

        public bool FindI(string find)
        {
            if (pos >= end)
                return false;

            #if DOTNET_CORE
            int index = str.IndexOf(find, pos, StringComparison.OrdinalIgnoreCase);
            #else
            int index = str.IndexOf(find, pos, StringComparison.InvariantCultureIgnoreCase);
            #endif

            if (index < 0 || index >= end - find.Length)
                return false;

            pos = index;
            return true;
        }

        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);
        }