regex match for everything other then special charaters code example

Example: regular rexpression except

// Search everything but strings not include 'validate'
let reg = /^((?!validate).)*$/
let str = "https://yourdomain.com/validate"

// Search by charactor, exlcue all the chars in charachter_to_not_match
let reg = /[^charachter_to_not_match]*/