diff --git a/src/main.rs b/src/main.rs
index c0e9024..3f2f6f0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -30,7 +30,8 @@ impl Replacer for MailScrambler {
 }
 
 fn main() {
-    let re = Regex::new(r#"["]([^"\f]*@[^"\s]*)["]"#).unwrap();
+    let re =
+        Regex::new(r#""([[[:ascii:]]&&[^"\f\[\]\\]]*?@[[[:nfpvv:]]&&[^"\s]\[\]\\]*)""#).unwrap();
 
     let mut line = String::new();