1.用户名(规则大小写字母下划线和数字,缺中文) $string = userNaME4234432_; if (preg_match('/^[a-z/d_]{4,28}$/i', $string)) { echo example 1 successful.; } 2.固定电话验证(缺3~4位区号,7~8位电话,分机) $string = (032)555-5555; if (preg_m
1.用户名(规则大小写字母下划线和数字,缺中文)
$string = "userNaME4234432_";
if (preg_match('/^[a-z/d_]{4,28}$/i', $string)) {
echo "example 1 successful.";
}
2.固定电话验证(缺3~4位区号,7~8位电话,分机)
$string = "(032)555-5555";
if (preg_match('/^(/(?[2-9]{1}[0-9]{2}/)?|[0-9]{3,3}[-. ]?)[ ][0-9]{3,3}[-. ]?[0-9]{4,4}$/', $string)) {
echo "example 2 successful.";
}
3.邮件验证
$string = "first.last@domain.co.uk";
if (preg_match(
'/^[^0-9][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[@][a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)*[.][a-zA-Z]{2,4}$/',
$string)) {
echo "example 3 successful.";
}
4.邮政编码(?什么规则的邮编难道国家区号+地区邮编)
$string = "55324-4324";
if (preg_match('/^[0-9]{5,5}([- ]?[0-9]{4,4})?$/', $string)) {
echo "example 4 successful.";
}
5.ip地址验证(基本没用)
$string = "255.255.255.0";
if (preg_match(
'^(?:25[0-5]|2[0-4]/d|1/d/d|[1-9]/d|/d)(?:[.](?:25[0-5]|2[0-4]/d|1/d/d|[1-9]/d|/d)){3}$',
$string)) {
echo "example 5 successful.";
}
6.颜色输入验证
$string = "#666666";
if (preg_match('/^#(?:(?:[a-f/d]{3}){1,2})$/i', $string)) {
echo "example 6 successful.";
}
7.C风格注释匹配
$string = "/* commmmment */";
if (preg_match('/^[(/*)+.+(*/)]$/', $string)) {
echo "example 7 successful.";
}
8.一种日期格式验证
$string = "10/15/2007";
if (preg_match('/^/d{1,2}///d{1,2}///d{4}$/', $string)) {
echo "example 8 successful.";
}

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Dreamweaver CS6
Visual web development tools

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.

MantisBT
Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

Zend Studio 13.0.1
Powerful PHP integrated development environment

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool