diff --git a/swordfish/src/katana.rs b/swordfish/src/katana.rs
index 9d04c06..9e175b2 100644
--- a/swordfish/src/katana.rs
+++ b/swordfish/src/katana.rs
@@ -222,12 +222,12 @@ fn regexify_text(text: &String) -> String {
         }
         regex.push_str("(?=.*\\b");
         let processed_word = word.to_lowercase();
-        if partial_match && processed_word.len() > 3 {
+        if partial_match && processed_word.len() > 4 {
             if !processed_word[0..3].contains(|c: char| ['[', ']'].contains(&c))
                 && !processed_word[word.len() - 2..word.len()]
                     .contains(|c: char| ['[', ']'].contains(&c))
             {
-                regex.push_str(&processed_word[2..word.len() - 2]);
+                regex.push_str(format!("[a-z0-9][a-z0-9]{}[a-z0-9][a-z0-9]", &processed_word[2..word.len() - 2]).as_str());
             } else {
                 regex.push_str(&processed_word.as_str());
             }