I'm trying to replace a JSON value using SED regular expression. However, I'm experiencing the following error: sed: -e expression #1, char 60: Invalid preceding regular expression I have the following JSON object: { "profiles":{ "http":{ "applicationUrl":"http://localhost:5123" } } }…
I'm trying to search and replace all URLs in the text. However, I have some words that I need to exclude from the search. For example (?!word)(?:https?://)?(?:[a-zA-Z0-9.]+).(?:[a-zA-Z]{2,3}). This regex found all urls but not exclude urls which contain word. Please…
I need the following: No numbers Only allow the special characters - and ' Spaces should not be allowed at the beginning or end of the field Remove any additional blank space if found between parts of names (allow only…
I am not understanding why this regex pattern is not matching as expected. I am testing this pattern on https://regexr.com. regex =/^1?((?=d{3}))[-. ]?(d{3})$/ sample = 1(123) 123 My understanding is first pattern should be number 1 or nothing then 3…
What is the correct regex for superTrim() to satisfy the description and pass the test: // removes all leading and trailing whitespace, newlines, escaped whitespace, // escaped punctuation, punctuation, special characters, etc // - EVERYTHING leading and trailing that is…
I've got a simple string with some of the duplicating characters there. Can someone please help me fix the expression below to remove NOT only duplicated characters but ALL characters that have more than 1 occurance. console.log('aaabbxxstring'.replace(/(.)(?=.*?1)/g,'')); // string I…
const testFolder = '../assets'; const fs = require('fs'); const array=[] const pattern=/gif/ fs.readdir(testFolder, (err, files) => { files.map(file => { if(file.search(pattern)>0) array.push(file) }); // console.log(files) }); console.log(array) It should be printing an array of all the files containing .gif extension…
We have list of data + query string, we need to modify an autocomplete filter logic to show post spots first and then other string which could be streets. // external sorted data usually by name var data = […
I have an an email type input which has an email validation pattern attribute set up that doesn't seem to trigger as expected. <form> <input type="email" placeholder="enter your email" pattern="[A-Za-z0-9._+-']+@[A-Za-z0-9.-]+.[A-Za-z]{2,}$" required> <button>submit</button> </form> It's kind of weird cause part of…
How to find and select in any html only text with spaces but without tabs and line breaks and not select the tags themselves. From the opposite, I succeeded, but as I looked above - no <html> <body> <h1> text1</h1>…