I can't figure out whats what with a regex. The simplest reproduction is this failed match where I would expect that 3rd capture group to be 'A'.: > console.log('00000-0000A'.match(/(D)s*(d{5}-d{4})s*(D)/g)); null undefined Additional context includes: const standardizeZipcode = (str: string) =>…
i need a regex able to capture the word after 'cat ' (without taking 'cat') For example: In 'cat gifi' i want to capture 'gifi' I tried : /cat s+(w+)/ I also search on the internet and even ask to…
I'm trying have regex with the following requirements: can contain any characters (symbols, spaces) except @ symbol but should contains at least 7 digits, but no more than 20 digits Should not match: 1234 abxz1234 a1b2c3 d 12345678901234567890123456789 @123456789 1234@56789…
I am trying to create a regex for accepting uppercase, lowercase letters, numbers and only mentioned special characters for creating password. What I have built works fine, however, when I add a special character mentioned and one which is not…
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…