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PHP - Using Preg_match To Validate My Form
Hey Everyone,
Im having trouble with this code, i'm trying to use preg_match to display an error when someone inputs their email and it doesnt have a specific domain (like for example yahoo.com). My logic is to use it as a filter, if the input doesnt have the word '@yahoo.com' it will show the error. What am I doing wrong? Code: [Select] if(preg_match("/^[a-zA-Z]\w+(\.\w+)*\@\yahoo.com", $data['email']) === 0) $err .= "• $lang[ERROR_DOMAIN]<br>"; Any help will be greatly appreciated. Thanks. - STG Similar TutorialsIs jquery/Ajax better than real/raw PHP for form validation ?! What if JavaScript is turned off on the browser?! why after someone refreshing a page on the browser, the variables used to echo error after invalid data is being submitted will return the undefined variables error?! And how to handle form validation including an empty form field, maximum amount of value entered and so on How do I make email, name and phone required fields? thanks in advance <?php $email = $_POST['email']; $name = trim($_POST['name']); $phone = trim($_POST['phone']); $time = trim($_POST['time']); $zipcode = trim($_POST['zipcode']); $date = trim($_POST['date']); $EmailTo = "myemail@somedomain.com"; $Subject = "form"; /// Add a subject $Body = ""; $Body .= "Full name:\n$name\n\n"; $Body .= "Primary phone:\n$phone\n\n"; $Body .= "time:\n$time\n\n"; $Body .= "Zip code:\n$zipcode\n\n"; $Body .= "date:\n$date\n\n"; if($Subject == NULL) {$Subject = "From $EmailFrom";} $success = mail($EmailTo, $Subject, $Body, "From: <$EmailFrom>"); if ($success){ header ('Location: confirm.html');} else{ echo "Error! Your e-mail was not sent!";} ?> how can i validate if email is being entered correctly in a form? i have the following code Code: [Select] <?php if(isset($_POST['Submit'])){ //NEED TO CHECK IF FIELDS ARE FILLED IN if( empty($_POST['email'])){ header("Location:Messages.php?msg=12"); exit(); } if( empty($_POST['name'])){ header("Location:Messages.php?msg=3"); exit(); } if( empty($_POST['pw1']) && (empty($_POST['pw2']))){ header( "Location:Messages.php?msg=4" ); exit(); } $name=$_POST['name']; $email=$_POST['email']; $pw1=$_POST['pw1']; $pw2=$_POST['pw2']; if("$pw1" !== "$pw2" ){ header( "Location:Messages.php?msg=5" ); exit(); } $ip = $_SERVER['REMOTE_ADDR']; //connect to the db server , check if uname exist include('config.php'); $query1=("Select * from user where email='$email'"); $result1= mysql_query($query1); $num1=mysql_num_rows($result1); if ($num1 > 0) {//Email already been used header( "Location:Messages.php?msg=11" ); exit(); }else{ $query=("Select * from user where uname='$name'"); $result= mysql_query($query); $num=mysql_num_rows($result); if ($num > 0) {//Username already exist header( "Location:Messages.php?msg=6" ); exit(); }else{ //if username does not exist insert user details $query=( "INSERT INTO user (uname, pw,email,date_joined,ip,level) VALUES ('$name','$pw1','$email',NOW(),'$ip','Normal')"); if (@mysql_query ($query)) { header("location:login.php?reg=1"); exit; } } } mysql_close(); } ?> Hello. So I already know an extremely elementary way to check to see if a form field is blank using PHP. For example: Code: [Select] if ($subject == "") The question I have is, is there a way to have php check every field in a form to make sure it has some sort of value? I want to create an 'if' statement which basically says, "If all form fields have something filled in, then do this" For example Code: [Select] if ($subject == "any value") & ($name == "any value") & ($comment == "any value") Not sure if that makes sense. Any help would be greatly appreciated!!! I want to make the form so only people with a specific email address can sign up to the site. So for example their ending email address was.... @something.apple.biz.com .. but to be accepted into the site, the email HAS to end with apple.biz.com. How could you validate it so it matches something specific like this. Here is my code at the moment which just checks that their is at least one . after the @ for it to be an acceptable email. If anyone could say what else to add to do this would be great if($email != '' && $register){ $emailcheck = explode("@", $email); $sql = "SELECT email FROM member WHERE email='$email'"; $query = mysql_query($sql); $emails = mysql_num_rows($query); if($emails != 0 ){ $alert .= '<p class="alert" style="clear:both;">That email address has already been registered</p>'; $register = false; }elseif(count($emailcheck) != 2){ $alert .= '<p class="alert" style="clear:both;">Please enter a valid email address</p>'; $register = false; }elseif(count($emailcheck) == 2){ $emailchecktwo = explode(".", $emailcheck[1]); if(count($emailchecktwo) < 2){ $alert .= '<p class="alert" style="clear:both;">Please enter a valid email address</p>'; $register = false; } } } I've tried alot of different ways, google, but just can't find the correct way to do this.. I'm trying to search for a word in an inputted string.. here's the code <html> <head><title>TESTING</title></head> <body> <form method="GET" action="<?php echo $_SERVER['PHP_SELF']; ?>"/> email: <input type=text name=email value="" /><br/> feedback: <input type=text name=ex value=""/><br/> <input type="submit" value="submit" /><br/> </body> </html> <?php $email = $_GET['email']; $ex = $_GET['ex']; $pattern = '/^[a-zA-Z0-9\-\.]+@[a-zA-Z0-9\-]+\.[a-zA-Z]+$/'; //$pattern1 = '/nprezident/prezident/'; if(!preg_match($pattern, $email)){ echo 'invalid email address<br/>'; } else { echo 'good to go<br/>'; } if(preg_match('/nprezident/,/prezident/', $ex)){ echo 'just something about that sentence is nice'; } else { echo 'no good'; } ?> Ok the one I'm having a problem with is the second preg_match when trying to search for two words i can get one word to print but when i use add a second word it gives an error. How do i add a second word? How to a check if a php variable value is one of the following characters: A to J, or ,k to t, (ie.: A B C D E F G H I J k l m n o p q r s t)
I tried:
if (preg_match[A-Jk-t], $checkChar)
{
// do this
}
I know $regex_pattern is wrong but I need a solution to find a content between <body> and </body>. Code: [Select] <?php $content = "<html><head><title>Your IP</title></head><body>Your IP Address: 63.1.142.154</body></html>"; $regex_pattern = "/<body>(.*)<\/body>/"; $preg_match($regex_pattern,htmlspecialchars($content),$matches); print_r( $matches ); ?> Why dosent this work, im trying to match upper case, lower case and numbers only Code: [Select] $id = '3xDJ7@#'; if (!preg_match('/^[a-zA-Z0-9]/', $id)){ echo "ERROR!"; }else{ echo 'ok'; } This always echos "ok" im trying to make a script so i can get users details like longitude, latitude etc
but im having trouble matching the html by regular expression
here is the html below that im trying to extract the data from:
any help or possible any alternative, suggested ways would be greatful thank you
<td>Country:</td> <td><img src="/images/dot.gif" class="flag-16 gb" align="absmiddle" width="16" height="16" title="United Kingdom"> United Kingdom (GB)</td> </tr> <tr> <td>City:</td> <td>Newport</td> </tr> <tr> <td>Region:</td> <td>Newport</td> </tr> <tr> <td>Latitude:</td> <td>51.5833</td> </tr> <tr> <td>Longitude:</td> <td>-2.9833</td> </tr> <tr> <td>Timezone:</td> <td>Europe/London</td>
<?php
$url = "http://smart-ip.net/geoip/2.101.108.124/";
$ch = curl_init();
$timeout = 0;
curl_setopt ($ch, CURLOPT_URL, $url);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt ($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)");
curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$rawdata = curl_exec($ch);
curl_close($ch);
if (preg_match('/<td>Country:</td><td>[img](?P<country>\w+)</td>/$', $rawdata, $match))
{
$country = $match['country'];
}
if (preg_match('/<td>City:</td><td>(?P<city>\w+)</td>/$', $rawdata, $match))
{
$city = $match['city'];
}
if (preg_match('/<td>Region:</td><td>(?P<region>\w+)</td>/$', $rawdata, $match))
{
$region = $match['region'];
}
if (preg_match('/<td>Latitude:</td><td>(?P<latitude>\d+)</td>/$', $rawdata, $match))
{
$latitude = $match['latitude'];
}
if (preg_match('/<td>Longitude:</td><td>(?P<longitude>\d+)</td>/$', $rawdata, $match))
{
$longitude = $match['longitude'];
}
if (preg_match('/<td>Timezone:</td><td>(?P<timezone>\w+)</td>/$', $rawdata, $match))
{
$timezone = $match['timezone'];
}
?>
i'm trying to grab the file name from mediafire to my database caption, I have rapidshare working fine. here's the code for rapidshare Code: [Select] if($type==1) { $words=$links[$j]; preg_match("/rapidshare\.com\/files\/\d+\/(.+)/",$words,$match); unset($words); $words=$match[1]; unset($match); $words=preg_split("/[_\.\-]/",$words); $lastword=array_pop($words); if($lastword=="html") array_pop($words); $words=implode(" ",$words); $words=preg_replace("/\s{2,}/"," ",$words); $caption=mysql_real_escape_string($words); unset($words); }How ever, i'm not sure which preg_match would be the correct one for mediafire.. appreciate any help. Hi,
I have a "scraped" string and want to use the preg_match() to give me just a pice of it.
The string is from a webpage, but is dynamic....
here´s the typical string format:
<a class="stripped-link lightblue-link profile-page-link" href="/x/xxx+xxx+xxx/xxxx">HER IS THE WANTED TEXT</a>
The orange is static. The green (the xxxx is the dynamic part of the string)
Can I use the preg_match() for this?
thanks (and yes I´m a newbe.... )
information.txt <li><img src="http://www.lol.com" alt="0" /></li> <li><img src="http://www.lol.com" alt="1" /></li> <li><img src="http://www.lol.com" alt="4" /></li> <li><img src="http://www.lol.com" alt="9" /></li> <li><img src="http://www.lol.com" alt="1" /></li> <li><img src="http://www.lol.com" alt="7" /></li> <li><img src="http://www.lol.com" alt="2" /></li> How can I get the alt="$ValueIwant" for each with a preg_match Hi im trying to do a registration form and i am new to using preg_match. I keep getting the error "( ! ) Warning: preg_match() [function.preg-match]: No ending delimiter '^' found in C:\wamp\www\registration1.php on line 67" and for every other line I use preg_match. this is an example of how i have used it Code: [Select] if ( preg_match('^[[:alnum:]\.\'\-]{4,50}$', stripslashes(trim($_POST['UserName']))) ) { $UserName = mysql_real_escape_string($_POST['UserName']); $query = "SELECT UserName FROM Users WHERE UserName = '$UserName'"; $result = @mysql_query($query); $num = @mysql_num_rows($result); im such a noob at this can someone please help me I would also like to add that I have read the http://www.php.net/manual/en/function.preg-match.php page but i dont really understand it. Hi guys, I have been using this code: preg_match('/<h2>(.*?)<\/h2>/', $data, $matches); which i changed to: $tag1 = 'h2'; $tag2 = 'h2'; preg_match('/$tag1(.*?)$tag2/', $data, $matches); however i need it to work allowing variables (of any character or symbol) within $tag1. I tried $tag1 = 'h(.*?)2'; $tag2 = 'h2'; preg_match('/$tag1(.*?)$tag2/', $data, $matches); but that does not work .... essentiall the whole thing would work like this (example only): firstpartoftag1VARIABLE1lastpartoftag1VARIABLE2tag2 ps the preg_match should only capture the VARIABLE2 data not VARIABLE1 any ideas or help would be much appreciated cheers in advance Im trying to match this string, but i dont wat to match normal words like "hello world 646" Code: [Select] $string = "2ab055843241f20044af82ae0d5ace04"; //always over 15 chars - without spaces if ( preg_match('~^[0-9\s]+$~D', $string)) { echo 'yes'; } If i can do it with preg_match that would be great I'm pretty new to this, How exactly could i get the text between the www. and .com? so if i have a url: http://www.facebook.com I want to just return "facebook" in my site search some of the results come out still with html. i have used the strip tags function but how would i use the preg_match function to get rid of the "> still left over? I have a DOMDocument which I inspect an HTML page for links (href) That part works however I am not sure how to use preg_match if I only want to display a link in this layout: <tr> <td headers="c1"><a title="Link to entity information." tabindex="1" href="CORPSEARCH.ENTITY_INFORMATION?p_nameid=3236937&p_corpid=3227476&p_entity_name=%41%72%77%65%6E%20%45%71%75%69%74%69%65%73&p_name_type=%41&p_search_type=%42%45%47%49%4E%53&p_srch_results_page=0">ABC LLC</a></td> </tr> I hope someone is really good at preg_match to help me. Thanks. Hey guys, In my contact form i have the action: preg_match but i've come accross a problem. Problem: Warning: preg_match() [function.preg-match]: No ending delimiter '^' found in C:\Program Files (x86)\wamp\www\ts\contact.php on line 34 Code:$error_message = ""; $email_exp = "^[A-Z0-9._%-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$"; if(!preg_match($email_exp,$email_from)) { $error_message .= 'The Email Address you entered does not appear to be valid.<br />'; Thanks in advance |
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