It blows my mind that there is no simple regex to validate email.
There are websites for the sole purpose of offering a solution, like https://emailregex.com and threads upon threads on StackOverflow and forums of debates around the topic and still each website will randomly refuse valid emails or accept non valid ones.
@moritzheiber I am pretty close to using something similar to: '/.+@.+\..+/i.' 😋