cs-notebook/note/regex-sml.dib

#!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();
}