All Questions
Tagged with javascript regex
37,474 questions
-3
votes
0
answers
48
views
Fetch specific string inside double brackets [closed]
Using the following regex \{{.*?\}} to match any strings inside double brackets.
However, I need to modify it to fetch a specic string inside those brackets
`5 => {{instance.label}}`
I'd like to ...
- 2,698
-1
votes
0
answers
43
views
how to convert Markdown lists to HTML in JavaScript [closed]
i really have no idea how to convert Markdown list to HTML and i need to do it not using any js package
i already implemented most of tags but im having really hard time with lists i manage to get ...
- 27
-1
votes
0
answers
73
views
JavaScript and regex [duplicate]
Considering the string below, I want to extract the value from data-frame-src
I believe this regex should do the trick, but I'm not getting matches.
Can anyone give me a hand?
console.log(desc.match(/...
- 69
-1
votes
2
answers
86
views
Replace '?' with '\?' [closed]
How to achieve output string: hm\?
Testing code below without success:
const test = (str) => console.log(JSON.stringify(str)) // for proper display of escape characters
test('hm?'.replace('?', '\?'...
- 35
-1
votes
0
answers
50
views
How to get substring from nested braces using regular expressions [duplicate]
Is there a way to get a substring from a string with nested curly braces where the nesting level is not fixed using regular expressions with pure javascript?
For example, we need to get the some text ...
- 1,614
0
votes
1
answer
31
views
Custom validation to exclude trailing spaces in text responses in Qualtrics
I'm building a Qualtrics form that requires a respondent to enter their email address. That question is a single line text entry question type. The email address being typed correctly matters because ...
- 355
4
votes
2
answers
112
views
Validating Thickness (Margin/Padding) string using Regex for different platforms
I have a specific Regex pattern requirement for a string pattern which contains margin/padding (Thickness) for max 3 different platform and devices separated by semicolon. Margin and Padding format is ...
- 429
0
votes
6
answers
124
views
Remove Leading 0s from Date Formatted mm/dd/yyyy
I have a date formatted like such:
04/09/2024 10:45
I am trying to remove leading zeros when they exist in the month and day. I have been trying to do this with regex but am struggling to get the ...
- 13
1
vote
1
answer
30
views
Klipper Syntax Highlighter using Highlight.JS
I'm trying to create a syntax highlighter for the Klipper 3D printer firmware. The language consists of settings elements, comments and Jinja2 template elements. In the first place, I wanted to get a ...
- 91
-5
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0
answers
34
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Regex failing to validated an url [duplicate]
For a long time I have been using the regex as in this page in my app without any problems but today I tried this url :
https://my3dviewer.visiativ.com/#/publications/617864759
but it didn't pass the ...
- 2,298
1
vote
0
answers
66
views
Regular expressions loop code, how Backtracking works?
Following the brilliant presentation of "Damian Conway" on how regular expression work, I have taken his pseudo-code and used my own example to try to understand it.
(see for reference the ...
- 11
2
votes
2
answers
74
views
Javascript regex : how to "update" a matching line using regex?
I have a variable containing a multiline string.
This string is made of markdown formated text.
I want to convert it a "Telegram" compliant markdown format.
To convert titles (identified by ...
- 475
-1
votes
0
answers
32
views
RegExp.test call influences subsequent string.matchAll [duplicate]
I found a strange behavior with javascript regular expressions in my vuejs project.
It seems like RegExp.test() somehow influences subsequent calls of string.matchAll.
Whenever I call test() before ...
- 580
5
votes
1
answer
122
views
Count actual replacements
Overview
I've created a basic text editor with a "Replace all" feature. However, I'm facing an issue where the output indicates replacements were made even when the text remains unchanged. ...
- 6,962
2
votes
2
answers
151
views
Regex to remove substrings such as "Official Video", "Audio", "Music Video"... from string
I'm trying to clean YouTube video title from unnecessary words such as "Official Video", "Audio", "Music Video" etc. I need help constructing regex that I can use. What I ...
- 713