what is the role of value.replace ( g, " "). Length = = 0 ")? can I delete it? (I deleted it and didn t find anything wrong.) ...
matches a regular from 0 to 0.01 ...
has a question when learning greedy matching of regular expressions. In the following example, a.*?b abaab abaab if it is said to match as few characters as possible between an and b, shouldn t it match ab and ab? When a regular expression matches...
Can rules greater than 0.01and less than 100000 be written? ...
the problem is purely technical and does not describe the project background. question: regular expressions remove spaces between tags, do not remove spaces in tags. ...
find a regular expression that is divided by, and cannot end with a comma ...
var imgs = <img src="http: baidu.com" >IMG<img src="http: baidu.com" ><span>< span> ...
abandon vt. To discard; abandon, or discard the, abrupt adj.. Suddenly, unexpectedly I want to get the content at the end of the word (English mark, explanation), how does this regular expression write including abstract adj. Abstract n. Abstract ...
there is a string {{text}}sdkfje{{text}}321sd how to match the following two results with regular expressions. There can be anything inside the parentheses {{text}} {{text}} only one result can be matched with this, embarrassing ~ {{. +}} g ...
JavaScript regular expression requires that all characters can be entered, but must contain letters (case-insensitive) and numbers, and the total length is not less than 8 digits ....
html is as follows: <body> <temlate>< template> <script> var str = `<script>var html= abc ;< script> <style>< style> `; < script> <st...
has been writing for a long time. I don t know how to write this rule. Ask which hero to help. along ad. Forward; and. Together; prep. together. Along the aloud ad. Loudly already ad. Already also ad. Also although conj. Although, although altoge...
how to drop non-numeric characters except X from the string in Filter, for example: var str = "te13214545xsdf456 " expected result 13214545x456 ...
I want to write a regular expression that matches the following five format strings: 1. Number 2. Number-sharp 3. Number-sharp-sharp 4. Number-sharp* 5. Digits-sharp digits question: how to write regular expressions that match the format strings...
(?: ^ | n | r) s * * [ s S] *? * s * (?: r | n | $) single-line comments. Regular matching of multiple-line comments is fine, but how to match regular expressions in Chinese (excluding all English) in comments? is similar t...
^ s+| s+$ ^( s+)| 1$ ^[A-Z]| [A-Z]$ ^([A-Z])| 1$ I don t know where to understand the problem, the problem of symbol priority? Or something else, if anyone can answer, thank you very much. ...
such as title: find a numerical regular expression that ends with n zeros. Thank you ...
(?!) Zero width negative antecedent assertion, attempts to match always fail because there is no suffix expression how to understand this sentence. If you can give an example. ...
^ [Amurz]. {4,} [Amurz] $ this is OK (^ [Amurz]. * [Amurz] $) {6,} it is not possible to ask why I require the length of the whole expression as a whole to reach 6 digits ....
hello big red cat hello big red dog hello yellow bird hello 123 555 blue cat and dog ... in a paragraph of text, I need to match to hello big red cat hello 123 555 blue cat this is how I wrote these two sentences hello[ s S]*cat$ results match all...
data.append( file , _this.file); data.append( token , _this.postData.token); data.append( key , _this.postData.key); axios.post(_this.url, data).then(function(res) { console.log(res); }) key and hash have b...
problem description mongoose populate doesn t seem to work. Confusingly, I use it in another part of the project, and it s normal . the environmental background of the problems and what methods you have tried mongodb: 4.0.1 mongoose: 5.2.9 rel...
differences between include and require introduced in JS ...
when using axios to interact with the background, sometimes the background cannot receive the value, or the data received is not in the correct format. I use URLSearchParams to process the parameters var params = new URLSearchParams(); params....
has a piece of data, and the query is a little time-consuming. but this data is not updated frequently. I wanted to be written in the foreground or with cache or sessionstorage , but to make sure that updates in real time every time I modify it i...