Flask SQLAlchemy filter using regex expression

Question

I have this raw mysql query, SELECT user_id FROM user WHERE email_address NOT REGEXP '[^@]+@[^@]+\.[^@]+', this filters all email addresses having invalid email addresses.

I will need an SQLAlchemy equivalent for this.

I have tried this query, User.query.filter(User.email_address.op('regexp')(r'[^@]+@[^@]+\.[^@]+')).all(), but it filters all the valid email addresses. I just need to know how to add the NOT in this query.

Did you try using sqlalchemy.not()?

krassowski
– krassowski

2017-07-29 17:01:58 +00:00
Commented Jul 29, 2017 at 17:01 — krassowski
– krassowski, Commented Jul 29, 2017 at 17:01

Yujiro · Accepted Answer · 2017-07-29 10:43:11Z

2

try this:

User.query.filter(User.email_address.op('not regexp')(r'[^@]+@[^@]+\.[^@]+')).all()

answered Jul 29, 2017 at 10:43

Yujiro

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