更新 SML 正则表达式

note/regex-sml.dib

@@ -0,0 +1,74 @@
+#!meta
+
+{"kernelInfo":{"defaultKernelName":"csharp","items":[{"aliases":[],"name":"csharp"}]}}
+
+#!csharp
+
+string sml = @"<L
+    <L
+        <A         Hello       World    >
+    >
+>.";
+
+#!csharp
+
+string smls = @"<L
+    <L
+        <A         Hello       World    >
+    >
+>.
+<L
+    <L
+        <A Greeting    >
+    >
+>.
+";
+
+#!csharp
+
+using System.Text.RegularExpressions;
+
+string input = "baaabaaaaabababaa";
+string pattern =  @"(?=a{3,})a+";
+
+Match match = Regex.Match(input, pattern);
+
+while (match.Success) {
+    Console.WriteLine($"index {match.Index} - value {match.Value.ToString()}");
+    match = match.NextMatch();
+}
+Regex.Replace(input, pattern, "+").Display();
+
+#!csharp
+
+#!set --name test --value @csharp:sml
+using System.Text.RegularExpressions;
+
+Regex regex = new Regex(@"(\<)(?<content>.*)(\>)(\.?)");
+Match match = regex.Match(test);
+
+string content = match.Groups["content"].ToString();
+content.Display();
+
+#!csharp
+
+#!set --name test --value @csharp:smls
+using System.Text.RegularExpressions;
+
+string typePattern = @"(?<type>[(L)(A)(B)(Boolean)(I1)(I2)(I4)(I8)(U1)(U2)(U4)(U8)(F4)(F8)])";
+string contentPattern = @"(?<value>.*?)";
+string pattern = @$"<(?<content>{typePattern}\s+{contentPattern})>\.";
+
+test = Regex.Replace(test, @"(?=\S*?)\s{2,}", " ");
+test = Regex.Replace(test, @"\s+>", ">");
+test.Display();
+
+Match match = Regex.Match(test, pattern);
+// Match match = Regex.Match(test, pattern, RegexOptions.Singleline);
+while (match.Success) {
+    match.Groups["type"].ToString().Display();
+    match.Groups["value"].ToString().Display();
+    match.Groups["content"].ToString().Display();
+    "".Display();
+    match = match.NextMatch();
+}