how to use regex in javascript password validation

var strongRegex = new RegExp("^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!@#\$%\^&\*])(?=.{8,})"); RegEx Description ^ The password string will start this way (?=.*[a-z]) The string must contain at least 1 lowercase alphabetical character (?=.*[A-Z]) The string must contain at least 1 uppercase alphabetical character (?=.*[0-9]) The string must contain at least 1 numeric character (?=.*[!@#$%^&*]) The string must contain at least one special character, but we are escaping reserved RegEx characters to avoid conflict (?=.{8,}) The string must be eight characters or longer by- Nic Raboy

how can i validate a password without regex in js

function validate() {
  var p = document.getElementById('pass').value
  var errors = []

  //if (p.length < 8) {
  //  errors.push("Your password must be at least 8 characters")
  //}
  if (p.search(/[a-z]/) < 0) {
    errors.push("Your password must contain at least one lowercase letter.")
  }
  if (p.search(/[A-Z]/) < 0) {
    errors.push("Your password must contain at least one uppercase letter.")
  }
  if (p.search(/[0-9]/) < 0) {
    errors.push("Your password must contain at least one digit.")
  }
  if(p.search(/[\!\@\#\$\%\^\&\*\(\)\_\+\.\,\;\:\-]/) < 0) {
    errors.push("Your password must contain at least one special character.")
  }
    
  if (errors.length > 0) {
    document.getElementById("errors").innerHTML = errors.join("<br>")
    return false;
  }
  return true;
}

Posted by: Guest on March-11-2022

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