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Found 11 results

  1. I have a security question. Though I have gone through OWASP docs I still need to place specific things in the right perspective. It is actually quite brief regarding examples. But regarding security, I have to admit that I dont know much about how hackers are operating. What I know is that javascript can be included and mysql injection can be done if you don't escape well. I have a piece of regex to allow as much characters as possible for password input. So also the <> the dot . and the semi-colon ; and the string. After forcing the user to use th
  2. Hi all, I have a problem for sanitizing / validating a web address input. My personal favor is doing it with regex. I made a simple example with preg_replace <?php if (!empty($_POST['wbddrss']) ) { $wbddrss = $_POST['wbddrss']; $wbddrss = trim($wbddrss); var_dump($wbddrss); $validate = preg_replace('/<>/' , '', $wbddrss); var_dump($validate); } ?> But I would like to replace all chars that do not meet what is allowed. I guess the best solution would be to replace everything with a caret to negate. But it seems I cant find the
  3. I want to use preg_replace to input only a-zAZ with a limit of 30 characters I have a piece of code I used before but it works with preg_match. example function: <?php // input form to get the name // use the function here $name = valid_name($name); // function to validate name input function valid_name($data){ $data = ltrim($data); $data = rtrim($data); $data = preg_replace("/^(?:[A-Za-z][A-Za-z\-]{2,30}[A-Za-z]|[A-Za-z])$/", '' , $data); return $data; } ?> To give an impression of how I use it; a part of the confir
  4. I have a thing I dont get. I found this regex part to check for correct subdomains. function check_subdomain($data){ if (!empty($data)){ $data = preg_match("/^(?:[A-Za-z0-9][A-Za-z0-9\-]{0,61}[A-Za-z0-9]|[A-Za-z0-9])$/", $data); return($data); } else { } } echo check_subdomain($data); but the strange thing is that echo check_subdomain($data) outputs the input and adds a 0 when wrong and a 1 when correct. why is this done and how to avoid it?
  5. I don't seem to get my head around the reason why the following returns TypeError: Object.values is not a function var input = '[a docs/my_pdf.pdf|here§my_class#my_id][img imgs/myimg.jpg|Alt title][g Artificial Languages][lang]HTML, CSS, Sass, SMACSS, SVG[y]7[/y][/lang][/g][p]Yes[/p]'; var RegEx = { 'tagClass': { '\§\s*(.+?)\s*[\§\|\]\#]': ' class="$1"' }, 'tagId': { '\#\s*(.+?)\s*[\§\|\]\#]': ' id="$1"' }, 'tagAlt': { '\[img.+?\|\s*(.+?)\s*[\§\|\]\#]': ' alt="$1"' }, 'tagTitle': { '\[a.+?\|\s*(.+?)\s*[\§\|\]\#]': ' title="$1"' }, 'tagSrc': { '\[img\s*(.+?)\s*[\§\|\]\#]': ' src="$1"' }, 'ta
  6. How should I validate 'wrong' or 'fake' protocols? Not sure how to explain this. I mean type mismatches like gttps : // but also random chars like qwerty : // should be validated. So chars before : // ( placed spaces in the protocols above else I wasnt possible to post it here) How to do this with regex php?
  7. Hi there I'm looking for a way to strip multiple backslashes. I'm able to strip up to 7 backslashes. This is my code: $url = stripslashes($url); $url = stripslashes($url); $url = stripslashes($url); You read it well, I used it 3 times. I know the backslash is a delimiter so it is necessary to use it 3 times to strip one slash. But my goal is (like with other characters) to strip all. How is PHP handling this?
  8. I am trying to process a string which contains various data relating to an elearning record; Moodle SCORM suspend_data if you're familiar with it Since I do not have access to server side SQL/CLR functions through the Moodle interface, I am attempting to reference, and extract, the relevant information from the string by explicitly referencing the character locations of the information I need in the string and then converting them as required so they can be summed e.g. SELECT prefix_user.username,........ ((CASE(SUBSTRING(value_rep,237,1)) WHEN 'c' THEN 1 ELSE 0 END) + ........(CASE(SUBSTRIN
  9. I'm trying to write some regex's for some input validation I need to do in an app, and while I can achieve the results I want, I wondering if I can combine or refine the couple regex's I am using to validate the input types I need. 1) Input Type - ID Rules * must start with a letter or number * can contain only letters, numbers, -, ., _, * be between 4 and 15 characters. Should Pass * j.smith_33- Should Fail * aa * jsmith1234567890 * -abc12 Implementation var allowedLength = inputToTest.length >= 4 && inputToTest.length <= 15 ? true : false; if(/^[A-Za-z0-9-_.]+$
  10. hi everyone, i am currently having an issue with the following excerpt of javascript - particularly the "regular expressions not wanting to replace". case 19: // set where Prim_Att_Val document.getElementById("ajaxbg").style.visibility = "visible"; var val = document.form_services.where_primattval.options[form_services.where_primattval.selectedIndex].value; // new constraint var title = document.getElementById("table_results").tHead.children[1].title; // current constraints //salert("re = ^/[ AND]*" + quote(" `Prim_Att_Val` = ""+where["Prim_Att_Val"]+""") + "/g"); //sal
  11. terryds

    Confusing Regex

    I'm so confused about this regex code for URL /\[([^\]]+)]\(([-a-z0-9._~:\/?#@!$&'()*+,;=%]+)\)/i I'm so confused about this.... What i don't understand is this ([^\]]+) Why this have double closing brackets ? Please help me....
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