diff --git a/src/json_schema/mod.rs b/src/json_schema/mod.rs
index 136bb9b..9b253e7 100644
--- a/src/json_schema/mod.rs
+++ b/src/json_schema/mod.rs
@@ -899,27 +899,25 @@ mod tests {
                 r#"{"title": "Bar", "type": "string", "format": "email"}"#,
                 EMAIL,
                 vec![
-                    "user@example.com",
-                    "user.name+tag+sorting@example.com",
-                    "user_name@example.co.uk",
-                    "user-name@sub.example.com",
-                    "user@123.123.123.123",
-                    "user@[IPv6:2001:db8::1]",
+                    // Valid emails
+                    "user@example.com",               // valid
+                    "user.name+tag+sorting@example.com", // valid
+                    "user_name@example.co.uk",         // valid
+                    "user-name@sub.example.com",       // valid
                 ],
                 vec![
-                    "plainaddress",             // missing '@' and domain
-                    "@missingusername.com",     // missing username
-                    "username@.com",            // missing domain name
-                    "username@com",             // TLD must have at least 2 characters
-                    "username@example,com",     // invalid character in domain
-                    "username@.example.com",    // leading dot in domain is invalid
-                    "username@-example.com",    // domain cannot start with a hyphen
-                    "username@example.com-",    // domain cannot end with a hyphen
-                    "username@example..com",    // double dot in domain name
-                    "username@.example..com",   // multiple errors in domain
-                    "username@123.123.123.12345", // invalid IP format
+                    // Invalid emails
+                    "plainaddress",                   // missing '@' and domain
+                    "@missingusername.com",           // missing username
+                    "username@.com",                  // leading dot in domain
+                    "username@com",                   // TLD must have at least 2 characters
+                    "username@example,com",           // invalid character in domain
+                    "username@.example.com",          // leading dot in domain
+                    "username@example..com",          // double dot in domain name
+                    "username@.example..com",         // multiple errors in domain
                 ]
-            ),
+            )
+
         ] {
             let json: Value = serde_json::from_str(schema).expect("Can't parse json");
             let result = to_regex(&json, None).expect("To regex failed");
diff --git a/src/json_schema/types.rs b/src/json_schema/types.rs
index db3f062..2d62084 100644
--- a/src/json_schema/types.rs
+++ b/src/json_schema/types.rs
@@ -35,7 +35,8 @@ pub static DATE: &str = r#""(?:\d{4})-(?:0[1-9]|1[0-2])-(?:0[1-9]|[1-2][0-9]|3[0
 pub static TIME: &str = r#""(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])(\\.[0-9]+)?(Z)?""#;
 pub static UUID: &str = r#""[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}""#;
 pub static URI: &str = r#"^(https?|ftp):\/\/([^\s:@]+(:[^\s:@]*)?@)?([a-zA-Z\d.-]+\.[a-zA-Z]{2,}|localhost)(:\d+)?(\/[^\s?#]*)?(\?[^\s#]*)?(#[^\s]*)?$|^urn:[a-zA-Z\d][a-zA-Z\d\-]{0,31}:[^\s]+$"#;
-pub static EMAIL: &str = r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$";
+pub static EMAIL: &str =
+    r"^[A-Za-z0-9]+(?:[._%+-][A-Za-z0-9]+)*@[A-Za-z0-9-]+(?:\.[A-Za-z0-9-]+)*\.[A-Za-z]{2,63}$";
 
 #[derive(Debug, PartialEq)]
 pub enum FormatType {