php程序实例含有php的经典例子和精华实例。php中用Javas cript 进行客户端数据检验这是一个检验用户EMAIL地址的例子，和以前众多的PHP正则表达式对应 <html> <head> <s cript language="Javas cript1.2"> <!-- start hiding function verifyAddress(obj) { // obtain form value into variable var email = obj.email.value; // define regex var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/; // test for pattern flag = pattern.test(email); if(flag) { alert("Ummmmm....that sounds good!"); return true; } else { alert("Hey - who do you think you're kidding?"); return false; } } // stop hiding --> </s cript> </head> <body> <form onSubmit="return verifyAddress(this);"> <input name="email" type="text"> <input type="submit"> </form> </body> </html>
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