Question

How to validate password in JavaScript

Answer 1

// 6 to 8 characters 
// contain only characters, numeric digits, underscore 
// first character must be a letter
 
function checkPassword(pass) { 
  var regex =  /^[A-Za-z]\w{6,8}$/;
  if (pass.match(regex)) { 
    console.log('Password Ok')
    return true;
  }
  else { 
    console.log('Password Error')
    return false;
  }
}
 
checkPassword("abcdefg");
checkPassword("1abcdefg");
checkPassword("abcdefg12");
checkPassword("abc#defg");
checkPassword("abc_defG");
 
 
/*
run:
 
Password Ok
Password Error
Password Ok
Password Error
Password Ok
 
*/

 

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