Javascript Regular Expressions: How to keep only matching groups for an arbitrary regular expression?

Is there a way in the JS regex API to rewrite the input so that only matching groups are kept (in order), but it works with arbitrary regexes (including regexes without capturing groups)? For example for the regular expression /abc([D-F]+)gh([I-K]+)/ and input abcFEEDghKIKI, I want to output "F...

P粉574695215 2024-01-16 22:01:08 0  1  427

Differences in regular expression behavior

I'm trying to build a regex to match fields that should contain 9 digits I'm using the following regex /^\d{9,9}$/ Now, the problem is when doing /^\d{9, 9}$/.test("123456789")//returnstrue However, when I try to use the same regex (passed in myRegex below) using Yup's matches 'myField':yu...

P粉996763314 2024-04-01 13:33:29 0  1  379

javascript - regular expression Q&A

{Code...} Please help me explain the above regular expression; it can match the name/value pairs in the query string, but I really don’t understand it. What kind of matching rule is this? ? For example, &name=bob&age=10, it can match name=bob and age=10

仅有的幸福 2017-06-28 09:27:59 0  1  894

javascript - Regular expression matching, replacing the content in html tags

Regular expression matching, replacing the content in the html tag, excluding the content of the html tag itself; for example: var str="<div class='article'><div class='article-item'>article-item&lt ;/div></div>"; Matching keywords: arti...

某草草 2017-06-30 09:59:42 0  1  844

Pattern matching regular expression for non-consecutive repeating sequences

I have a long meaningless string where every character is either a number [0-9] or a lowercase letter [a-z] like this "0z8b816ne139z1b948bjk50f9498t139gjj90t7tb3509w6h0r7tbp" I want a regular expression that can match occurrences in the string For more than one non-consecutive pattern, I w...

P粉563831052 2023-09-16 20:48:28 0  1  504

How can I make this regex simpler?

I have this regex: "(WORD1.*WORD2.*WORD3)|(WORD1.*WORD3.*WORD2)|(WORD2.*WORD1.*WORD3)|(WORD2.*WORD3.*WORD1)|(WORD3 .*WORD1.*WORD2)|(WORD3.*WORD2.*WORD1)" It matches these words: WORD1WORD2WORD3WORD1AWORD2BWORD3CWORD3W

P粉710454910 2024-02-26 18:49:18 0  2  399

javascript - Ask a question about using regular expressions to obtain URL parameters

{Code...} Given this url, use a regular expression to match the parameter string after ? (not including?). Please tell me how to write the regular expression. Xiaobai asks for advice~~

天蓬老师 2017-06-12 09:29:39 0  2  952

How to match recurring strings with regular expression - javascript - regex

For example, for the string aaabccc11fdsa, I want to match strings such as aaa, ccc and 11 that are repeated more than twice. What should I do? If regular expressions can't do it, are there any other PHP or Python built-in functions that can do it? If there are no built-in functions, can we only wri...

迷茫 2017-06-19 09:06:59 0  2  816

Regular expression - How to match Chinese Pinyin using Python?

For example, use regular expressions to match the pinyin of shá. ps: What I said before may not be clear. I used the word "for example", which means that there is pinyin in the text to be processed, but I don't know what the specific pinyin is. You need to find out these pinyin. The text t...

ringa_lee 2017-05-27 17:39:30 0  3  1750

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  896

js regular expression {} range - Stack Overflow

Regular matching: starts with a lowercase letter, ends with a lowercase letter, and can have a dash (-) in the middle. The length is less than 32 characters {code...} The returned result is true and normally it should return false. Among them, {1,31} means that the range before matching is between 1...

黄舟 2017-06-12 09:32:53 0  2  963

javascript - Regular expression question and answer

{Code...} Please explain this regular expression to me. I really can’t understand π-π. . . Thank you

三叔 2017-06-26 10:50:05 0  2  939

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  482

Regular expression - nginx regular expression, how to match not ending with / and not ending with .xml .html .htm

Requirements A regular expression is required for use in nginx. If $uri does not end with / and does not end with .xml, .html, or .htm, it will be permanent to $uri/. {Code...} Tried my own writing method, but failed: {Code...} Question {Code...} Supplement I used...

过去多啦不再A梦 2017-05-16 17:25:48 0  2  901

python regular expression replacement

Recently I encountered a regular expression replacement problem. Each piece of data in the time data is preceded by [0]= [1]= [2]= [3]= this index: {code...} Because of some reasons, the previous The index is gone and can only be added using regular expressions. The problem is that the amount of dat...

淡淡烟草味 2017-05-18 10:58:52 0  2  597

What are the differences between regular expressions for search and replacement in vim and those in programming languages ​​such as js?

What are the differences between the regular expressions used to replace content in vim and those in other programming languages? I only know that the first matched group in vim is to use \1 which is equivalent to $1 in js. {code...}

怪我咯 2017-05-16 16:40:18 0  1  739

Regular expression to replace several symbols with HTML tags

I'm trying to build a regular expression that replaces all symbols "$$" with some HTML tags, such as <someTag></someTag>. I use this regex, but it doesn't cover all cases: \$\$(\S[^\*]+\S)\$\$'aaa$$123$$c$ddd'.replace(/\ $\$(\S[^\*]+\S)\$\$/g,'<a1>$1</a1>')//works'a...

P粉362071992 2024-04-01 21:01:01 0  2  534

javascript - js regular expression to get string

If there is a string like " www.com.baidu.com ", what I want to match is all the strings after the first com, but excluding " com ", how should I write the regular expression? That is to say, the desired string is ".baidu.com". It is best not to match it by capturing gr...

给我你的怀抱 2017-05-19 10:10:44 0  3  572

How to use variables in regular expressions?

I want to create a String.replaceAll() method in JavaScript and I think using regular expressions is the cleanest way. However, I don't know how to pass variables to the regular expression. I can already do this, replacing all instances of "B" with "A". "ABABAB".replace...

P粉763748806 2023-08-23 15:12:16 0  2  628

PHP collection, besides regular matching content, what other methods are there?

PHP collects novel websites. In addition to regular matching of novel content, is there any other way to match the content? I have heard that the captured html page can be converted into an object for processing, but I have never found a way to solve it. Is there any other way to match content with ...

捂耳听风。 2018-06-26 20:51:52 0  2  1557