Answers for "regex for password"

RegExp validation for password explained

r'^
  (?=.*[A-Z])       // should contain at least one upper case
  (?=.*[a-z])       // should contain at least one lower case
  (?=.*?[0-9])      // should contain at least one digit
  (?=.*?[!@#\$&*~]) // should contain at least one Special character
  .{8,}             // Must be at least 8 characters in length  
$

password regex

^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{8,}$

regrex for password

"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,10}$"

regex password

^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!@#\$%\^&\*])(?=.{8,})

password regex

"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$"

Regex Password Validation

function validate(password) {
    return /^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])[A-Za-z0-9]{6,}$/.test(password);
}

Explanation:

^               // start of input 
(?=.*?[A-Z])    // Lookahead to make sure there is at least one upper case letter
(?=.*?[a-z])    // Lookahead to make sure there is at least one lower case letter
(?=.*?[0-9])    // Lookahead to make sure there is at least one number
[A-Za-z0-9]{6,} // Make sure there are at least 6 characters of [A-Za-z0-9]
$               // end of input