正则表达式不会产生错误回显，有人可以帮助我吗? [英] Regular expression wont produce error echo, could anyone please help me?
本文介绍了正则表达式不会产生错误回显，有人可以帮助我吗?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
当字段不正确时，正则表达式不会产生错误回波，除了我得到警告:preg_match()[function.preg-match]:编译失败:缺少)第58行的偏移量12.有人可以帮我吗?我非常绝望.
Regular expression wont produce error echo when field is incorrect, besides that I get Warning: preg_match() [function.preg-match]: Compilation failed: missing ) at offset 12 on line 58. Could anyone please help me I´m pretty desperate.
$array = array(
"error1" == "1",
"error2" == "2",
"error3" == "3",
"error4" == "4",
"error5" == "5",
"error6" == "6",
"error7" == "7",
"error8" == "8",
"error9" == "9",
"error10" == "10",
"error11" == "11",
"error12" == "12",
);
//the regular expressions of the variables in the form
function ValidateForm($string, $type){
switch($type)
{
case 'name':
$pattern="/^[A-Za-z. -]+$/";
break;
case 'sex':
$pattern="/[MWmw]/";
break;
case 'insertion':
$pattern="/^([A-Za-z]*$/";
break;
case 'initials':
$pattern="/^([A-Z]\.)+$/";
break;
case 'adress':
$pattern="/^([A-Za-z -])+[0-9]+([a-z -])*$/";
break;
case 'postcode':
$pattern="/^[1-9][0-9]{3}[]?[A-Za-z]{2}$/";
break;
case 'phone':
$pattern="/^[0-9]{10}$/";
break;
case 'email':
$pattern="/(^[0-9a-zA-Z_\.-]{1,}@([0-9a-zA-Z_\-]{1,}\.)+[0-9a-zA-Z_\-]{2,}$)/";
break;
case 'postbus':
$pattern="/^[A-Z][a-zA-Z -]+$/";
break;
}
if (preg_match($pattern, $string)){
return true;
} else {
return false;
}
}
if (isset($_POST['submitted'])){
if (ValidateForm($_POST["surname"],'name')){
$error1 = true;
}else{
$error1 = false;
}
if (ValidateForm($_POST["sex"],'sex')){
$error2 = true;
}else{
$error2 = false;
}
if (ValidateForm($_POST["insertion"],'insertion')){
$error3 = true;
}else{
$error3 = false;
}
if (ValidateForm($_POST["initials"],'initials')){
$error4 = true;
}else{
$error4 = false;
}
if (ValidateForm($_POST["adress"],'adress')){
$error5 = true;
}else{
$error5 = false;
}
if (ValidateForm($_POST["postcode"],'postcode')){
$error6 = true;
}else{
$error6 = false;
}
if (ValidateForm($_POST["postbus"],'postbus')){
$error7 = true;
}else{
$error7 = false;
}
if (ValidateForm($_POST["private_phone"],'phone')){
$error8 = true;
}else{
$error8 = false;
}
if (ValidateForm($_POST["mobile_phone"],'phone')){
$error9 = true;
}else{
$error9 = false;
}
if (ValidateForm($_POST["work_phone"],'phone')){
$error10 = true;
}else{$error10 = false;
}
if (ValidateForm($_POST["work_email"],'email')){
$error11 = true;
}else{
$error11 = false;
}
if (ValidateForm($_POST["private_email"],'email')){
$error12 = true;
}else{
$error12 = false;
}
//makes an connection to the db
mysql_connect("localhost", "root", '') or die(mysql_error());
mysql_select_db('databaseimage') or die(mysql_error());
//Here the form vars will be inserted into the database, as you can see above the mysql_query knows where to put it in
mysql_query("INSERT INTO form (Surname, Insertion, Initials, Name, Sex, Adress, Postcode, Postbus, Location, Private_phone, Mobile_phone, Work_phone, Private_email, Work_email)
VALUES
('".$_POST['surname']."','".$_POST['insertion']."','".$_POST['initials']."','".$_POST['name']."','".$_POST['sex']."','".$_POST['adress']."','".$_POST['postcode']."','".$_POST['postbus']."','".$_POST['location']."','".$_POST['private_phone']."','".$_POST['mobile_phone']."','".$_POST['work_phone']."','".$_POST['private_email']."','".$_POST['work_email']."')")
or die(mysql_error());
}
?>
<html>
<head>
<meta charset="utf-8"/>
<meta http-equiv="X-UA-Compatible" content="chrome=1" />
<link rel="stylesheet" href="css/form.css" type="text/css" />
<link rel="stylesheet" href="css/style.css" type="text/css" />
<script language = "javascript">
function DisableButton1() {
var surname = document.getElementById("surname").value;
var disableButton1 = false;
if (surname == "") disableButton1 = true;
document.forms['form'].elements['submit'].disabled = disableButton1;
}
function DisableButton2() {
var insertion = document.getElementById("insertion").value;
var disableButton2 = false;
if (insertion == "") disableButton2 = true;
document.forms['form'].elements['submit'].disabled = disableButton2;
}
function DisableButton3() {
var initials = document.getElementById("initials").value;
var disableButton3 = false;
if (initials == "") disableButton3 = true;
document.forms['form'].elements['submit'].disabled = disableButton3;
}
function DisableButton4() {
var name = document.getElementById("name").value;
var disableButton4 = false;
if (name == "") disableButton4 = true;
document.forms['form'].elements['submit'].disabled = disableButton4;
}
function DisableButton5() {
var sex = document.getElementById("sex").value;
var disableButton5 = false;
if (sex == "") disableButton5 = true;
document.forms['form'].elements['submit'].disabled = disableButton5;
}
function DisableButton6() {
var adress = document.getElementById("adress").value;
var disableButton6 = false;
if (adress == "") disableButton6 = true;
document.forms['form'].elements['submit'].disabled = disableButton6;
}
function DisableButton7() {
var postcode = document.getElementById("postcode").value;
var disableButton7 = false;
if (surname == "") disableButton7 = true;
document.forms['form'].elements['submit'].disabled = disableButton7;
}
function DisableButton8() {
var postbus = document.getElementById("postbus").value;
var disableButton8 = false;
if (postbus == "") disableButton8 = true;
document.forms['form'].elements['submit'].disabled = disableButton8;
}
function DisableButton9() {
var location = document.getElementById("location").value;
var disableButton9 = false;
if (location == "") disableButton9 = true;
document.forms['form'].elements['submit'].disabled = disableButton9;
}
function DisableButton10() {
var private_phone = document.getElementById("private_phone").value;
var disableButton10 = false;
if (private_phone == "") disableButton10 = true;
document.forms['form'].elements['submit'].disabled = disableButton10;
}
function DisableButton11() {
var mobile_phone = document.getElementById("mobile_phone").value;
var disableButton11 = false;
if (mobile_phone == "") disableButton11 = true;
document.forms['form'].elements['submit'].disabled = disableButton11;
}
function DisableButton12() {
var work_phone = document.getElementById("work_phone").value;
var disableButton12 = false;
if (work_phone == "") disableButton12 = true;
document.forms['form'].elements['submit'].disabled = disableButton12;
}
function DisableButton13() {
var private_email = document.getElementById("private_email").value;
var disableButton13 = false;
if (private_email == "") disableButton13 = true;
document.forms['form'].elements['submit'].disabled = disableButton13;
}
function DisableButton14() {
var work_email = document.getElementById("work_email").value;
var disableButton14 = false;
if (work_email == "") disableButton14 = true;
document.forms['form'].elements['submit'].disabled = disableButton14;
}
for (i = 0; i < frm_elements.length; i++)
{
field_type = frm_elements[i].type.toLowerCase();
switch (field_type)
{
case "text":
case "password":
case "textarea":
case "hidden":
frm_elements[i].value = "";
break;
case "radio":
case "checkbox":
if (frm_elements[i].checked)
{
frm_elements[i].checked = false;
}
break;
case "select-one":
case "select-multi":
frm_elements[i].selectedIndex = -1;
break;
default:
break;
}
}
</script>
</head>
<?php
if (isset($_POST['submit'])){
if ($error1 == true){
echo $_POST["surname"]." surname is invalid";
}
if ($error2 == true){
echo $_POST["sex"]." sex is invalid";
}
if ($error3 == true){
echo $_POST["insertion"]." insertion is invalid";
}
if ($error4 == true){
echo $_POST["initials"]." initials is invalid";
}
if ($error5 == true){
echo $_POST["adress"]." adress is invalid";
}
if ($error6 == true){
echo $_POST["postcode"]." postcode is invalid";
}
if ($error7 == true){
echo $_POST["postbus"]." postbus is invalid";
}
if ($error8 == true){
echo $_POST["private_phone"]." private phone is invalid";
}
if ($error9 == true){
echo $_POST["mobile_phone"]." mobile_phone is invalid";
}
if ($error10 == true){
echo $_POST["work_phone"]." work phone is invalid";
}
if ($error11 == true){
echo $_POST["work_email"]." work email is invalid";
}
if ($error12 == true){
echo $_POST["private_email"]." private_email is invalid";
}
}
?>
<body>
<div id="top_bit">
<h1>Registration form</h1>
<div class="boxed">
<form ction="<?php echo $_SERVER['PHP_SELF'];?> name="form" method="post">
<div id="first_part">
<label for="name">Surname</label>
<input type="text" name="surname" id="surname" placeholder="last name" value="Worst" onKeyUp="DisableButton1()"/>
<label for="website">Insertion</label>
<input type="text" name="insertion" id="insertion" placeholder="If you have one" value="Jaap" onKeyUp="DisableButton2()"/>
<label for="number">Initials</label>
<input type="text" name="initials" id="initials" maxlength="8" size="8" value="J.P" onKeyUp="DisableButton3()"/>
<label for="name">Name</label>
<input type="text" name="name" id="name" value="Hans" onKeyUp="DisableButton4()"/>
<label for="sex">Sex</label>
<input type="text" name="sex" id="sex" maxlength="3" size="3" placeholder="M/W" value="M" value="sex" onKeyUp="DisableButton5()" />
<label for="name">Adress</label>
<input type="text" name="adress" id="adress" value="Donkeresteegstraat 78" onKeyUp="DisableButton6()" />
</div>
<div id="float_form">
<label for="name">Postcode</label>
<input type="text" name="postcode" id="postcode" value="1070 HR" onKeyUp="DisableButton7()"/>
<label for="name">Postbus</label>
<input type="text" name="postbus" id="postbus" value="jaap" onKeyUp="DisableButton8()" />
<label for="name">Location</label>
<input type="text" name="location" id="location" value="Amsterdam" onKeyUp="DisableButton9()" />
<label for="name">Private Phone</label>
<input type="number" name="private_phone" id="private_phone" value="0206234567" maxlength="10" size="9" onKeyUp="DisableButton10()" />
<label for="name">Mobile Phone</label>
<input type="number" name="mobile_phone" id="mobile_phoene" value="0654322345" maxlength="10" size="9" onKeyUp="DisableButton11()" />
<label for="name">Work Phone</label>
<input type="number" name="work_phone" id="work_phone" value="0206234567" maxlength="10" size="9" onKeyUp="DisableButton12()" />
</div>
<div id="float_form_2"
<label for="name">Private Email</label>
<input type="email" name="private_email" id="private_email" value="hangslotman@gmail.com" onKeyUp="DisableButton13()" />
<label for="name">Work Email</label>
<input type="email" name="work_email" id="work_email" value="hangslotman@gmail.com" onKeyUp="DisableButton14()" />
</div>
<input type="hidden" name="submitted" value="1" />
<div id="reset_form"><input type="button" name="reset_form" value="Reset Form" onclick="this.form.reset();"></div>
<input type="submit" value="Send information" id="submit"/>
</form>
</div>
</div>
</body>
推荐答案
您的测试:
if (isset($_POST['submit'])){
从未验证，因为提交"按钮为无名称"属性
is never verified because the submit button as no name attribute
将其更改为:
<input type="submit" value="Send information" id="submit"/>
到
<input type="submit" name="submit" value="Send information" id="submit"/>
这篇关于正则表达式不会产生错误回显，有人可以帮助我吗?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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