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exports.email = email
exports.pw = pw
exports.username = username
function username (un) {
if (un !== un.toLowerCase()) {
return new Error('Username must be lowercase')
}
if (un !== encodeURIComponent(un)) {
return new Error('Username may not contain non-url-safe chars')
}
if (un.charAt(0) === '.') {
return new Error('Username may not start with "."')
}
return null
}
function email (em) {
if (!em.match(/^.+@.+\..+$/)) {
return new Error('Email must be an email address')
}
return null
}
function pw (pw) {
if (pw.match(/['!:@"]/)) {
return new Error('Sorry, passwords cannot contain these characters: \'!:@"')
}
return null
}