Merge pull request #40 from kirlu1/issue-19-case-sensitivity

Issue 19 case sensitivity

src/rs/matching/link_finder.rs

@@ -80,7 +80,8 @@ fn build_link_finder(target_note: &Note) -> LinkFinder {
     let regex_string = concat_as_regex_string(&escaped_search_strings);
     //log(&format!("Regex string: {}", regex_string));
 
-    Regex::new(&*format!(r"{}", regex_string)).unwrap()
+    // "(?i)" makes the expression case insensitive
+    Regex::new(&*format!(r"(?i){}", regex_string)).unwrap()
 }
 
 /// Finds all link candidates in the provided note.