my %spec = (
    fullname   => qr/^ [a-zA-Z\s'-] {3,30} \z/x,
    username   => qr/^ [a-z] [-.\w]{2,15} \z/x,   
    mothers    => qr/^ [a-zA-Z\s'-] {3,30} \z/x,
    email      => qr/^ [\w\.-]+ \@ (?:[a-z\d-]+\.)+ [a-z\d]+ \z/ix,
    conditions => qr/^Yes\z/,
);