const username = Joistringpattern^A-Za-z0-9u4E00-u9FA5u3040-u309Fu30A0-u30FFu31F0-u31FFuAC00-uD7A3+$min1max50required;const password = Joistringpattern^S618$required;const email = Joistringemailrequir

const login_schema = { body: Joi.object({ username: Joi.alternatives().try( Joi.string().pattern(/^[A-Za-z0-9\u4E00-\u9FA5\u3040-\u309F\u30A0-\u30FF\u31F0-\u31FF\uAC00-\uD7A3]+$/).min(1).max(50), Joi.string().email() ).required(), password: Joi.string().pattern(/^[\S]{6,18}$/).required() }) };

exports.login_schema = login_schema;