var mongoose = require('mongoose'); var emailRegexp = /.+\@.+\..+/; var UserSchema = new mongoose.Schema({ username: {type: String, unique: true}, name: String, password: String, email: { type: String, required: true, match: emailRegexp }, gender: { type: String, required: true, uppercase: true, 'enum': ['M', 'F'] } }); module.exports = UserSchema;