Beats 90% simple easy to understand three steps
Intuition
Starts with alphanumeric number ^[a-zA-Z0-9_]{1,}
before .com only alphabets [a-zA-Z]{1,}
ends with .com .com$
Code
# Intuition

1. Starts with alphanumeric number `^[a-zA-Z0-9_]{1,}`
2. before **.com** only alphabets `[a-zA-Z]{1,}`
3. ends with **.com** `.com$`



# Code
````sql
SELECT * FROM Users WHERE email REGEXP '^[a-zA-Z0-9_]{1,}@[a-zA-Z]{1,}.com$' ORDER BY user_id ASC;
````
['MySQL']