Fix links with special characters

.github/workflows/release.yml

@@ -68,7 +68,6 @@ jobs:
           strip: true
 
       - name: Package zip
-        #        if: startsWith(github.ref, 'refs/tags/')
         run: |
           make package PLATFORM=${{ matrix.platform.release_for }} TARGET=${{ matrix.platform.target }}
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mtoc"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 authors = ["containerscrew [email protected]"]
 repository = "https://github.com/containerscrew/mtoc"
@@ -13,3 +13,4 @@ clap = { version = "4.5.20", features = ["derive"] }
 tempfile = "3.13.0"
 colored = "2.1.0"
 walkdir = "2.5.0"
+regex = "1.11.0"

docs/test.md

@@ -5,6 +5,7 @@ DO NOT REMOVE THIS!
 - [Test 1](#test-1)
   - [Test 2](#test-2)
     - [Test 3](#test-3)
+      - [Test: testing testing](#test:-testing-testing)
 <!-- END OF TOC -->
 
 # Test 1
@@ -13,6 +14,9 @@ DO NOT REMOVE THIS!
 
 ### Test 3
 
+#### Test: testing testing
+
+
 ```markdown
 # Hello
 ## World

src/write.rs

@@ -1,15 +1,23 @@
+use regex::Regex;
+
 // Generate a table of contents from the headers
 pub fn generate_toc(headers: Vec<(usize, String)>) -> String {
     let mut toc = String::new();
     toc.push_str("<!-- START OF TOC !DO NOT EDIT THIS CONTENT MANUALLY-->\n");
     toc.push_str(
         "**Table of Contents**  *generated with [mtoc](https://github.com/containerscrew/mtoc)*\n",
     );
+
+    // Regex to match and remove or replace unwanted characters
+    let re = Regex::new(r"[^a-zA-Z0-9-_ ]").unwrap();
+
     for (level, header) in headers {
         let indent = "  ".repeat(level - 1);
-        let anchor = header.to_lowercase().replace(" ", "-");
+        let sanitized_header = re.replace_all(&header.to_lowercase(), "").to_string();
+        let anchor = sanitized_header.replace(" ", "-");
         toc.push_str(&format!("{}- [{}](#{})\n", indent, header, anchor));
     }
+
     toc.push_str("<!-- END OF TOC -->");
     toc
 }