title: Validate email column of csv File before insertion in php
body: <p>Hi i have used regular expression for validating email columns of csv file before insertion in php.but when i used regular expression or filter validate email function it always show emails in incorrect format although i have a correct email format in csv file.I want that it read a csv file and check email column in csv file and check its value i.e in email should be in correct format or not.If it is correct format then the data insert otherwise skip.</p>