Email验证
let Email = '12345678@qq.com'
let reg = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
if (reg.test(Email) {
console.log('true')
} else {
console.log('false')
}
手机号码验证
let phoneNumber = '18200001111'
let reg = /^1(3|4|5|6|7|8|9})\d{9}$/
if (reg.test(phoneNumber) {
console.log('true')
} else {
console.log('false')
}
用户名验证
let username = 'abc234_'
let reg = /^[a-zA-Z0-9_]{1,}$/
if (reg.test(username) {
console.log('true')
} else {
console.log('false')
}