Regular expression to validate numbers didn't work before I used

I want to use regex to validate my numbers before using them, but it's not working. I want the first number to start with 0, followed by 2 or 5, then 4 and the rest continuing up to 10 digits. <?php$str="0241310102";$pattern="([0]{1}[2,5]{1}[4]{1}[0-9]{7})";if(preg_match( $pat...

P粉690200856 2023-09-13 15:00:59 0  1  548

Convert JavaScript regular expression to PHP

I know this question has been asked about a dozen times, but technically it's not a scam (check the other questions if you like) ;) Basically, I have a Javascript regex to check with for the front-end validation of the email address, and I use CodeIgniter to double-check on the back-end in case the ...

P粉465675962 2023-10-23 22:58:33 0  2  899

Is there a Symfony-compatible way to remove all twig tags from a string?

I have a Symfony validation constraint that removes all Twig tags with a regex before counting the number of characters and validating against the character length limit. (My form allows people to enter a limited subset of Twig tags into a field.) So it does this: $parsedLength=mb_strlen(preg_replac...

P粉043470158 2024-03-22 00:03:19 0  2  388

Regular expression to match words

I have a script where I am trying to match new job names with existing job names in a database. SELECTa.titleASJobTitle,j.DescriptionASMatchedJobTitle,f.DescriptionASFamily,p.ShortDescriptionASColourComplexity,j.IsCustomerFacing,j.JobTitleIDFROMJobTitlejCROSSJOI

P粉957723124 2024-04-06 21:24:04 0  1  955

javascript - I always get an error when I write a regex to verify 12.5-20.5?

The required data format is: 1101001-510-50100-5000.510.510.5-2010.5-20.510-20.5. That is to say, the size of the number required for verification is not limited. It can have floating point numbers or not, it can have "-" or not, and one decimal place is retained. This is the regular expre...

typecho 2017-06-26 10:57:35 0  3  949

Method to extract words: use regular expressions

How can I extract the dog's breed from this URL https://images.dog.ceo/breeds/husky/n02110185_11841.jpg? Considering that the variety changes, what is the regex to extract the content between breeds/ and next/?

P粉608647033 2023-09-14 17:13:53 0  1  570

mysql - String replacement based on dictionary

Source table: Dictionary table: It is expected to replace the values ​​​​in the source table according to the dictionary table. The target results are as follows: I tried using the replace function, but it can only be replaced individually. (Note: Since other values ​​​​are separated by commas, the ...

PHPz 2017-05-18 10:50:38 0  1  1007

Moodle form cannot be verified after submission

I'm trying to create a form whose structure depends on parameters in the URL. If no parameters are specified in the URL, an error message should be displayed. Based on the id, perform a database query and populate the form data. Example URL: http://127.0.0.1/local/group/signin.php?groupid=14 Unfortu...

P粉287726308 2023-08-28 21:01:24 0  1  564

php - laravel5.4 gets a 422 return when submitting the form through ajax, and ajax cannot capture the return content

1. Submit the form through ajax. If the verification fails, json2 with an http status value of 422 will be returned. How to customize the format of this json? 3. The http status value is 422, which seems to have been hard-coded in the framework. I want to return custom json to the front end by catch...

PHP中文网 2017-06-21 10:10:48 0  1  696

Word counting in HTML using regular expressions

This is the same problem as this. But since I'm not using javascript, "innerText" is not a solution for me and I want to know if a regex can combine /(<.*?>)/g and >/\S+/g without going through a bunch of characters String operations can be used to obtain the actual number of word...

P粉153503989 2024-04-01 22:44:06 0  1  589

Regular expression to delete the entire block containing this word

myzol+\s+(.*)-[0-9]+\s\{[\mrzulf\](.*?)\}Thelineshereismeyouaretheremyfavgvthjkhlkjhfcmyzol123gbhj{testcheckmyself/mrzulf/.com}myzol123gbhj{testcheckmyself/mrzulf/.com}myzol1fde3gbhj{testcheckmyself/c

P粉198814372 2024-02-26 19:35:26 0  1  341

Understand the role of user agent style sheets

I'm working on a web page in Google Chrome. It displays the following styles correctly. table{display:table;border-collapse:separate;border-spacing:2px;border-color:gray;} Note that I did not define these styles. In Chrome Developer Tools, it replaces CSS filenames with user-agent stylesheets. Now i...

P粉277464743 2023-08-27 13:14:56 0  2  581

PHP session not saved when navigating between pages on my website

Why is my php session not saved when I browse website pages? I'm creating a website that uses a simple username-password pair to allow administrators to authenticate themselves on a login page. To do this, first a session is created when the user reaches the homepage, then when they click on the log...

P粉316890884 2023-09-13 10:17:32 0  1  596

How to get word after regex matching phrase -

I want to get the next word after the matching phrase. wait. -I want to change my pain threshold--"Change my ***"lettext="Iwanttochangemypainthreshold"letfirstTriggerregEx="(?:\\b|')(changemy)(?:\\b|')";constfound2 =text.match(firstTriggerregEx);console.

P粉834840856 2023-09-12 09:15:32 0  1  600

Eliminate "two or more" spaces in regular expression

I need a regex to allow: No spaces can be placed at the beginning and end of the line There can only be one space between words I have enough with something like "^[АЯ-Ёа-яё0-9'']+$" , - but that's not what I need.

P粉959676410 2023-09-16 14:33:55 0  1  1003

Match specific words after matching complete sentences using regular expressions

I am a novice. I am trying to find the full name in any of the lines below and without Obituaryfor<h2>ObituaryforJohnDoe</h2><h1>JamesMichaelLee</h1> My regex is like this. (<h1>(.+?)<\/h1>|<h2>Obituary\sfor\s(.+?)<\/h2>) What I get is still

P粉872101673 2024-04-01 14:38:05 0  2  496

Date format in HTML form should be "mm/yy"

I want to create an HTML page containing a form where one of the cells should be a date in the format 'mm/yy' with the minimum value being the current month (similar to a credit card expiration date). What should I do? I didn't find an option to use a date/month type, is there a better option than u...

P粉990008428 2023-09-01 11:00:27 0  1  599

How about using Alpine.js for form validation

I'm discovering such a great Alpine.js framework. But I can't find how to insert the complete form validation framework. For years I used full JqueryValidation, but it requires JQuery ;-) I tried Ionide.Js but it didn't have many validators to plug into Laravel. Vue.js has vuelidate and vee-validate...

P粉345302753 2023-08-30 21:41:37 0  1  514

Regular expression to get string between single or double quotes even if it is empty

Here's the regex I'm trying: /((?<![\\\\])['"])((?:.(?!(?<![\\\\])\\1 ))*.?)\\1/ This is my given text val1=""val2>"2022-11-1610:19:20" I also need a blank expression like val1 i.e. I am in the match Content similar to the following is required""2022-11-16...

P粉554842091 2024-04-01 17:28:41 0  1  473

javascript - The regular expression w only matches one letter. If you want to match a word, how do you write it?

{Code...} The above log prints h. If you want to print hello, how do you do it?

習慣沉默 2017-06-30 09:57:25 0  4  786