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I’m having a problem making the regular expression for U.S. zip code verification work.
the regular expression: /(^d{5}$)|(^d{5}-d{4}$)/
My code is below. No matter what I type in, it asks me to correct my zip code. Any suggestions?
[CODE]<html>
<head>
<title>U.S. Address</title>
<script language=”Javascript” type=”text/javascript”>
<!– hide script from old browsers
function validateForm()
{
if (document.forms[0].elements[0].value == “”)
{
alert (“please enter an address!”);
return false;
}
if (document.forms[0].elements[1].value == “”)
{
alert (“please enter a city!”);
return false;
}
if (document.forms[0].elements[2].value == “–“)
{
alert (“please select a state!”);
return false;
}
if (document.forms[0].elements[3].value == “”)
{
alert (“please enter a zip code!”);
return false;
}
if (document.forms[0].elements[3].value = “/(^d{5}$)|(^d{5}-d{4}$)/”)
{
alert (“please correct your zip code!”);
return false;
}
else {
window.close();
updateParent5(this)
}
}
function updateParent1(textField){
opener.document.contactinfo.address.value=textField.value
}
function updateParent2(textField){
opener.document.contactinfo.city.value=textField.value
}
function updateParent3(textField){
opener.document.contactinfo.state.value=textField.value
}
function updateParent4(textField){
opener.document.contactinfo.zip.value=textField.value
}
function updateParent5(textField){
opener.document.contactinfo.country.value=’USA’
}
// end hiding –>
</script>
</head>
<body>
<form action=”us-add.php” onsubmit=”return validateForm()”>
address: <input type=”text” onblur=”updateParent1(this)”><br>
city: <input type=”text” onblur=”updateParent2(this)”><br>
state: <select onblur=”updateParent3(this)”>
<option value=”–“>select</option>
<!– lots of U.S. states here –>
</select>
zip: <input type=”text” name=”zip1″ onblur=”updateParent4(this)”><br>
country: USA<br><br>
<input type=”submit” name=”submit”>
</form>
</body>
</html>