are there any js regular expression experts? would like to ask how to implement regular expression validation "folder A folder B folder C... " Or folder A, where 1 is satisfied. Cannot start and end with " ", 2. Cannot have more than two consec...
are there any js regular expression experts? would like to ask how to implement regular expression validation "folder A folder B folder C... " Or folder A, where 1 is satisfied. Cannot start and end with " ", 2. You cannot have more than two c...
there is a paragraph in the example of the conversion of URLs from non-www to www in the official Apache HTTPD documentation. RewriteCond %{HTTP_HOST} !^www .example .com [NC] RewriteCond %{HTTP_HOST} !^$ RewriteRule ^ ?(.*) http: www.example.com $1...
the requirement is that the AutoComplete component of Vue input abc will go to the background to take out all the existing abc (case-insensitive) and highlight highlightData: function (data, propShow, propOrigin, highlight) { data.forEach(ite...
for example, the server has been attacked recently. Check and find that there are many such requests. I am not good. Ask all kinds of gods to help write regular expressions to match . 11: index.php?s= Index x5Cthink x5Capp invokefunction&functio...
five letter palindromes (words that are the same backwards as forwards) (kayak,dewed,eye,refer) I m a little confused about this question. I don t know how to write it ...
what is the meaning of the following regular expression? () is the capture group ? Content that appears 0 or 1 times but why do they match to two values? var re = (hi)? g; console.log(re.exec("hi")); ["hi", "hi"]...
var html = "111 222 333"; condition: use js regular to expect: an array [ 111 , 22 , 222, 33 ] ...
7.html 1-2-3-4-5-6-jump to s 1_2_3_4_5_6_7.html url-replace _ how to make NGINX jump ...
s (.+?)-(.+?)-(.+?)-(.+?)-(.+?)-(.+?)-(.+?)-(.+?)-(.+?)-(.+?)-(.+?)-(.+?).html$ s $1_$2_$3_$4_$5_$6_$7_$8_$9_$10_$11_$12.html permanent; according to imitated by Baidu, this does not jump, modify, ask for advice ~ mainly want to change the pseudo-s...
The path-to-regexp used in react-router4 supports the following modes: var toPathRegexp = pathToRegexp.compile( user :id( d+) ) toPathRegexp({ id: 123 }) => " user 123" toPathRegexp({ id: 123 }) => " user 123" t...
The string can only be swapped for . , : , cannot contain other characters, you only need to verify whether the string contains only the above four characters. $string = 10.0.3.1, 10.0.0.0 16,2001:db8:100:934b::3:1, 2001:db8:100:934b:: 64 ; if (che...
<?php $body = " " " <h1>?< h1> <img src= https: example.com test.jpg title= >"; $keywords = [ [ id =>1, title => , url => https: www.example.com gaimingzi.html ], [ id =&g...
when writing Mini Program, I sometimes accidentally write the unit as px . But it is well known that Mini Program generally uses rpx as the adaptation unit. then leads to the idea that you want to use the regular pattern of vscode and use foresigh...
A repeated string appears many times in a paragraph. How can I get the location of the repeated string each time? is there a regular way to do it? this is an insertion position {08} 66 insertion position {08} 66 insertion position {16} 66 for ex...
functions that match parameters in url in js on the Internet function getQueryString(name){ var reg = new RegExp("(^|&)"+name+"=([^&]*)(&|$)"); var href = window.location.href var inde...
<?php $body = <p style="margin:20px auto; font-size:20px;"> Very happy! oh yes <img src="https: example.com test.jpg" title=""> <a href="https: www.google.com" title="happy">&...
RT <script> let reg = "abca"; console.log(reg.match( (a) )); console.log(reg.match( (?:a) )); console.log(reg.match( (?=a) )); console.log(reg.match( (?!a) )); < script> ...
when typing in the input input box, there can be no spaces at the beginning and end, but there can be spaces in the middle of the text . is there any regular or other way to implement this? ...
var str = ac123abc456abc ; var result = reg.exec (str); console.log (result); = > result: [ "123 ", index: 2, input: "ac123abc456abc ", groups: undefined] = > what is the function of groups? ...
the project written uses the angular1.6 version, in which the header and tail are introduced with the following figure : IE,IE: what method can be used to solve this? ...
what storage do Weibo fans use? Use mysql? How many watches will it take? ...
I write child_process in app.js in the koa background directory brought by Mini Program and then fork the time.js of the sibling directory In time js is function loop () { console.log (1) } setInterval (loop,1000) the problem came when I uploaded...
var $isFetchingNotes = false; $(window).scroll(function(){ if($( -sharploader-blog ).hasClass( nomore )) { return false; } var $scroll = $(window).scrollTop(); var $docHeight = $(document).height(); var $winHeight = $(wi...
topic description PAT Advanced 1065 https: pintia.cn problem-sets ...