diff --git a/MySQL/find-users-with-valid-e-mails.sql b/MySQL/find-users-with-valid-e-mails.sql
index 589f61d61..0c87ca82a 100644
--- a/MySQL/find-users-with-valid-e-mails.sql
+++ b/MySQL/find-users-with-valid-e-mails.sql
@@ -3,4 +3,4 @@
 
 SELECT * 
 FROM   users AS u 
-WHERE  u.mail REGEXP '^[a-zA-Z][a-zA-Z0-9._-]*@leetcode.com$'; 
+WHERE REGEXP_LIKE(u.mail, '^[a-zA-Z][a-zA-Z0-9._-]*@leetcode.com$', 'c');
diff --git a/MySQL/find-valid-emails.sql b/MySQL/find-valid-emails.sql
index 85cd9dff4..e5ed81ab6 100644
--- a/MySQL/find-valid-emails.sql
+++ b/MySQL/find-valid-emails.sql
@@ -4,5 +4,5 @@
 # regular expression
 SELECT user_id, email 
 FROM users
-WHERE email REGEXP '^[a-zA-Z0-9_]+@[a-zA-Z]+\.com$'
+WHERE REGEXP_LIKE(email, '^[a-zA-Z0-9_]+@[a-zA-Z]+\.com$', 'c')
 ORDER BY 1;