SQL - Query Phonenumber that are stored inconsistently

Question

we a phonenumber field in our database and I would like to do a simple lookup query like:

SELECT * FROM TABLE WHERE Phonenumber = \'555123456\'

Answer 1

You can try something like:

SELECT * FROM TABLE WHERE REPLACE( REPLACE( REPLACE( REPLACE( REPLACE(phone,'(','') ,')','') ,'-','') ,'+','') ,' ','') = '0398765432'

Replace any non numeric value with an empty string.