I have a specific string that I need to modify from {Rotation:[45f,90f],lvl:10s} to {Rotation:[45,90],lvl:10}.
Here is the code I tried:
const bar = `{Rotation:[45f,90f],lvl:10s}`
const regex = /(\d)\w+/g
console.log(bar.replace(regex, '$&'.substring(0, -1)))
I also attempted to extract the last character using $ but it hasn't been successful so far.
If you want to use a regular expression pattern to manipulate strings in JavaScript, you can try the following code:
bar.replace(/(\d+)[a-z]\b/gi, '$1')To see how this regex works, check out the demo here.
In the regex pattern:
(\d+) - captures one or more digits into Group 1[a-z] - matches any letter\b - specifies a word boundary, indicating the end of a wordgi - performs a global search (all occurrences) and is case insensitiveThe replacement value is taken from Group 1 using $1.
You can test this functionality with the JavaScript demo below:
const bar = `{Rotation:[45f,90f],lvl:10s}`
const regex = /(\d+)[a-z]\b/gi
console.log(bar.replace(regex, '$1'))Take a look at this:
let sentence = `The quick brown fox jumps over the lazy dog`.split(' ');
const removedWord = sentence.splice(sentence.length - 3, 1);
console.log(sentence.join(' '));
To avoid capturing the closing brace, you can utilize positive lookahead in your regex pattern. By doing this, you can easily replace the single character with an empty string.
const foo = '{Rotation:[45f,90f],lvl:10s}'
const regexPattern = /.(?=})/g
console.log(foo.replace(regexPattern, ''))
{Rotation:[45f,90f],lvl:10}
This particular regular expression is designed to identify any sequence of one or more digits followed by either 'f' or 's'.
When using $1, it refers to the captured content within the parentheses of (\d).
const example = `{Rotation:[45f,90f],lvl:10s}`
const pattern = /(\d+)[fs]/g
console.log(example.replace(pattern, '$1'))Utilizing the express library along with the logging library known as morgan Provided below is a snippet of working code that can be used to reproduce this in nodejs: const express = require('express') const morgan = require('morgan') ...
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