substr does not handle utf8, so it would fail with email with non ascii characters inside
substr does not handle utf8, so it would fail with email with non ascii characters inside


Tatoeba/tatoeba2,shashank19gaurav/tatoeba2,Tatoeba/tatoeba2,shashank19gaurav/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,shashank19gaurav/tatoeba2,shashank19gaurav/tatoeba2