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PHP - Make Regex Negative
How do I reverse the logic of my Regex statement so it says, "If there is NOT a match..."
Code: [Select] // (Replacement for non-supported Email-Filter.) if (preg_match('#^[A-Z0-9_\+-]+(\.[A-Z0-9_\+-]+)*@[A-Z0-9-]+(\.[A-Z0-9-]+)*\.([A-Z]{2,7})$#i', $trimmed['senderEmail'])){ // Valid Email. // ??? }else{ // Invalid entry. $errors['senderEmail'] = 'Please enter a valid E-mail address.'; }// End of VALIDATE ENTRY. I want to do this so I don't have an empty THEN statement! Debbie Similar TutorialsI'm curious, is there any reason to use array_pop($value) at all when you can explode(' ', $value, -1) ??? Besides being php version < version 5.1.0 compatible of course. Hi Guys
Bit stuck on a negative lookahead and not sure that what i want to achieve is possible.
Lets says I have a domain: www.mysite.com
I want to have a regex that will match www.mysite.com?q=123&g=34 but I don't want to match any file extensions like .php or .html
So the first part of matching the query string and the literal url is fairly straightforward (below) which matches any query string that may be applied
/^www.mysite.com[\/]?[\?\=\&a-z0-9]*$/But then I want to use a negative lookahead to avoid matching a file extension, e.g. /^www.mysite.com[\/]?[\?\=\&a-z0-9](?!php|html|htm)$/But this doesn't work - presumably because the negative lookahead is following a character class. So my questions: can you use a negative lookahead in this way? If not, how can I achieve what I'm trying to? Any help appreciated! Drongo <?php if ($beyondportal % 26 == 0 || $beyondportal == 0){ ?> MY CONTENT <?php } ; ?> This code compares my variable $beyondportal and if it is a multiple of 26 counting up from 0, it prints my content. This is great but sometimes the number comes up a negative that is a multiple counting down from 0 like -26, -52, etc.. if I could do the opposite of a modulus I would think it would work but I'm not sure how to in php. any suggestions? Hi all I am adding some positive and negative numbers. But i am getting strange output. Can anyone help me Here is the code. Code: [Select] $sum=7.50+6.45+12.90+12.00+13.00+0.61+32.00+4.00+27.00+18.00+10.88+129.50+92.94-100.00-38.25+76.80-305.33; echo "<br>Total: ".$sum; Basically i have to get Total is 0 but i am getting total is 5.6843418860808E-14 Can anyone help me out Please I have a code to sum up a field called quantityHand in MySQL, in my example below, the value always return 40 as a positive number instead of 40.00- 0.00 0.00 40.00- I have used intval() or floatval() function to convert the type of variable from string to int/float but still not working. Any help please? Here is the code Code: [Select] $sql = mysql_query("SELECT DISTINCT itemNumber, itemDesc, quantityHand, SUM(quantityHand) AS quantityHand FROM inventory where itemNumber like '%$term%' GROUP BY `itemNumber` ORDER BY `itemNumber`"); while ($row = mysql_fetch_array($sql)){ echo "<b>"; echo "</td><td style=\"text-align: center;\"><b>"; echo $row['itemNumber']; echo "</td><td style=\"text-align: center;\"><b>"; echo $row['itemDesc']; //echo "</td><td style=\"text-align: right;\">"; echo "</td><td style=\"text-align: center;\"><b>"; echo $row ['quantityHand']; echo "</td></tr>"; echo "</b>"; Hi, How can I check if a variable only has these characters: - number (0-9) - decimal point (.) - positive (+) - negative (-) - dollar ($) I tried is_numeric, but it doesn't like negative values... I need to add the variable value to another variable. I have to accept numbers (including negative and decimals)... ex: 0.1 = TRUE -.1 = TRUE 12 = TRUE 1000.00 = TRUE 12a = FALSE thanks This topic has been moved to JavaScript Help. http://www.phpfreaks.com/forums/index.php?topic=353188.0 Ok, my first post here (earlier today) was a huge help, so here's a second... I have the following PHP code: $name = $row['NAME']; $nameTrimmed = $name; if ((strlen($nameTrimmed) > 20) && (strlen($nameTrimmed) > 1)) { $whitespaceposition2 = strrpos($nameTrimmed," ",5); $nameTrimmed = substr($nameTrimmed, 0, $whitespaceposition2); echo $nameTrimmed . "..."; } if ((strlen($name) <= 20) && (strlen($name) > 0)) { echo $name; } This is working as expected. However, many of the "name" fields in the DB contain &trade; and &reg; strings, which inflate the count of each product title. Since I'm using the strrpos to limit the length of the longer product names (due to limited space in the layout), I would like to show as many full titles as possible. Many are being cut prematurely short due to the extra characters from the symbols. Do I need to run all this through a regex filter before I count it? If so, can anyone share an example of code I could try? Regex has never been my weak point, let alone my strong point. Or is there something else I haven't thought of? Any help is greatly appreciated! I have a CSV file which has more than 50k records and i want to convert this using regex Well I'm stuck... So I'm trying to make the php print out the text between Code: [Select] title="Text here" <?php function Betweens($string) { $pattern = '/title="(.*?)"/'; //It fails here preg_match($pattern, $string, $matches); return $matches[1]; } $str = '<iu pageid="2022" ns="0" title="Test" />'; $p = Betweens($str); echo $p; ?> So yea I really suck at regex's.. Edit: God damn it, now I see I've posted in wrong sector -.- I want to make it so if($message=="" . $cmdPrefx . "deleteall: "){ echo substr(strrchr($message, ' '), 1); Doesn't use =="something" How can I make it so anything after deleteall: is a wildcard? I'm assuming using regex, but have no idea how hey guys im after the pattern to replace , and & symbols please?...any help would be great
thank you
hello. There is a project i take and i can't handle it. the project goes like this. I get site code by file_get_contents function into variable. Than I need to find the iframe and delete it from the variable. for example the code i getting from the file_get_contents is looking like this : <html> <body> This is site ! <iframe> LINK </iframe> </body> </html> now , simply i can track the iframe and delete it just like this. $str = preg_replace('/\<{1}iframe[a-zA-Z0-9=+\/\'.]/' , '' , $str);/** this is not the right regex i use , the full one contain all chars except < .**/ So I can find the < symbol and than delete all iframe section. the problem come when I get code like this. <html> <body> This is site ! <iframe> <iframe>LINK </iframe></iframe> </body> </html> So , from here I can't handle it since I don't know where the iframe ends since there is many < symbols. Second question is maybe with regex i can handle something like this? looking for start , than get everything between and stop at the end. $reg ='/^\<{1}iframe .+\<{1}iframe\>{1}/i'; Is that possible to do something like this with regex? any suggestions how to make it done? hope i was clear. thanks , Mor. Hey Guys,
I'm receiving an api request back that looks like:
[{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174222182518,"lsrc":80972326202,"ltgt":31581262572,"luuu":"groups.google.com/group/comp.infosystems.www.users/msg/9a210e5f72278328","pda":100,"ueid":355370,"uid":358079,"ulc":1394603890,"umrp":7.348021108330069,"umrr":4.2306065019844527e-07,"upa":95.04277845195264,"us":200,"ut":"HTTP cookie - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/HTTP_cookie"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174457993090,"lsrc":80972326202,"ltgt":31622557610,"luuu":"support.google.com/chrome/answer/95582?hl=en","pda":100,"ueid":355370,"uid":358079,"ulc":1394603890,"umrp":7.348021108330069,"umrr":4.2306065019844527e-07,"upa":95.04277845195264,"us":200,"ut":"HTTP cookie - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/HTTP_cookie"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174457997214,"lsrc":80972326202,"ltgt":31622557668,"luuu":"support.google.com/chrome/answer/95626?hl=en","pda":100,"ueid":355370,"uid":358079,"ulc":1394603890,"umrp":7.348021108330069,"umrr":4.2306065019844527e-07,"upa":95.04277845195264,"us":200,"ut":"HTTP cookie - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/HTTP_cookie"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174704422109,"lsrc":80972326202,"ltgt":31675615115,"luuu":"www.google.com/support/chrome/bin/answer.py?hl=en&answer=95582","pda":100,"ueid":355370,"uid":358079,"ulc":1394603890,"umrp":7.348021108330069,"umrr":4.2306065019844527e-07,"upa":95.04277845195264,"us":200,"ut":"HTTP cookie - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/HTTP_cookie"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174704422260,"lsrc":80972326202,"ltgt":31675615123,"luuu":"www.google.com/support/chrome/bin/answer.py?hl=en&answer=95626","pda":100,"ueid":355370,"uid":358079,"ulc":1394603890,"umrp":7.348021108330069,"umrr":4.2306065019844527e-07,"upa":95.04277845195264,"us":200,"ut":"HTTP cookie - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/HTTP_cookie"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051896270,"lsrc":80975346908,"ltgt":31567049373,"luuu":"books.google.com/?id=0IZboamhb5EC&lpg=PA731","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051900386,"lsrc":80975346908,"ltgt":31567051168,"luuu":"books.google.com/?id=58KxPNa0hF4C&lpg=PA463","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051902110,"lsrc":80975346908,"ltgt":31567051879,"luuu":"books.google.com/?id=6xiYiybkE8kC&vq=core","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051902955,"lsrc":80975346908,"ltgt":31567052243,"luuu":"books.google.com/?id=7veohk0fkLYC&lpg=PA88","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051904343,"lsrc":80975346908,"ltgt":31567052883,"luuu":"books.google.com/?id=9iQYSQ9y60MC&lpg=PA49","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051905960,"lsrc":80975346908,"ltgt":31567053635,"luuu":"books.google.com/?id=BgZyXNIrvB4C&pg=PT12","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051911261,"lsrc":80975346908,"ltgt":31567055934,"luuu":"books.google.com/?id=Ho_RmgOnwgwC&lpg=PA8","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051913146,"lsrc":80975346908,"ltgt":31567056717,"luuu":"books.google.com/?id=JttyjBoyb3AC&lpg=PA12","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051920509,"lsrc":80975346908,"ltgt":31567059840,"luuu":"books.google.com/?id=SF7U27JsLC4C&dq=iraq+invasion+removes+hussein","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051921673,"lsrc":80975346908,"ltgt":31567060362,"luuu":"books.google.com/?id=T_0TrXXiDbUC&dq=slavery+%22American+Civil+War%22","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051922547,"lsrc":80975346908,"ltgt":31567060715,"luuu":"books.google.com/?id=UYpVAAAAYAAJ","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051925466,"lsrc":80975346908,"ltgt":31567061980,"luuu":"books.google.com/?id=Y1dOLQN9hvwC&dq=SEALs+kill+Osama+bin+Laden","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051936195,"lsrc":80975346908,"ltgt":31567066473,"luuu":"books.google.com/?id=jLy-NKnQitIC&pg=PA45&dq=uk+us+special+relationship","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051937261,"lsrc":80975346908,"ltgt":31567066890,"luuu":"books.google.com/?id=ka6LxulZaEwC&vq=annexation&dq=territorial+expansion+United+States+%22manifest+destiny%22","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051943179,"lsrc":80975346908,"ltgt":31567069364,"luuu":"books.google.com/?id=r71u_AgE7iYC&lpg=PA142","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051949934,"lsrc":80975346908,"ltgt":31567072219,"luuu":"books.google.com/?id=yd4GqkP5XYgC&lpg=PA229","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174051950951,"lsrc":80975346908,"ltgt":31567072673,"luuu":"books.google.com/?id=zq4rsWNrYo4C&q=Reaganomics&dq=Reaganomics","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174052414947,"lsrc":80975346908,"ltgt":31567405066,"luuu":"books.google.com/books/about/A_History_of_the_American_People.html?id=RXSVQjz1_tMC","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174052676940,"lsrc":80975346908,"ltgt":31567608329,"luuu":"books.google.com/books/about/An_Empire_of_Wealth.html?id=rmsUs_KDgHAC","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"},{"fmrp":8.770560720053982,"fmrr":7.78614635427592e-05,"lrid":174054227159,"lsrc":80975346908,"ltgt":31568894639,"luuu":"books.google.com/books/about/History_of_the_American_Economy_With_Acc.html?id=lyhI1q_E4G0C","pda":100,"ueid":73314,"uid":156486,"ulc":1393624567,"umrp":6.978036065267593,"umrr":1.3614443568106348e-07,"upa":94.43262161988372,"us":200,"ut":"United States - Wikipedia, the free encyclopedia","uu":"en.wikipedia.org/wiki/United_States"}]
I'm trying to retrieve all the backlinks located in these parts:
"uu":"en.wikipedia.org/wiki/HTTP_cookie"
"uu":"en.wikipedia.org/wiki/United_States"
etc
I tried this regex:
$regex = returnSeoMozLinks("google.com");
$pattern = '""uu"":""(.*?)""';
$success = preg_match($pattern, $regex, $match);
if ($success) {
echo "Match: ".$match[0]."<br />";
}
But it doesn't seem to work, i can do it in vb net but i am rusty with php lol
any help would be appreciated guys!
cheers
Graham
I have been playing with reg ex patterns for the last couple of hours. I realized I have been coding in security a hole. But for the life of me I don't know the answer. In preg match it will return a 1 true. So the code below is saying if you find anything that is not one of these values the condition is true. Meaning anything but a-zA-Z true is this correct? How do I make it so if you find anything but a-zA-Z return false? Code: [Select] if ( preg_match('/[a-zA-Z]/', $_GET['contact'] )== 1) I am trying to use preg_match_all to find some information on a webpage. Here is what I am currently using <?php $homepage = "http://www.example.com"; $page_contents1 = file_get_contents($homepage); $names1 = preg_match_all('/<span class="video_date">(.*)</span> - <a class="b" href="/(.*)/">(.*)</a><br/>\/', $page_contents1, $matches1); echo implode(", ", $matches1[1]); ?> I am trying to match this piece of html: <span class="video_date">Oct 21</span> - <a class="b" href="/meanwhilezealand/"> Meanwhile in New Zealand...</a><br/> Thanks for looking! This topic has been moved to PHP Regex. http://www.phpfreaks.com/forums/index.php?topic=356497.0 For a very 'loose' email address validator, does the following regex need the backslash before the dot?
^\S+@\S+\.\S+$
(Checks for anything@anything.anything but I'm gonna change that to anything.anything to make it even 'looser')
I tested with and without the backslash using rubular.com and it seems superfluous but I'd like a second opinion or two please.
ALSO: does rubular.com use the right engine to be correct for php? I hope so coz it's the first time I've been able to fully understand some regexes I've been blindly implementing for some time!
Many thanks in advance
Quote from: Mike Solstice on April 14, 2011, 12:24:45 AM Ok, that works if I run it CLI or though phpMyAdmin, but won't if I try it in php Code: [Select] $remcomma = "UPDATE top_train SET deaths = replace( replace(field_name, ',', ''), '"', '' )"; mysql_query($remcomma); I assume because of the quotes used in the regex. I tried escaping the " Code: [Select] $remcomma = "UPDATE top_train SET deaths = replace( replace(field_name, ',', ''), '\"', '' )"; mysql_query($remcomma); Which broke it altogether. Anyone have any ideas? Thanks! Moved here since that thread was marked as solved & it's more of a PHP issue at this point anyway. Any & all help is greatly appreciated! |
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