[Solved] Testing for uppercase, why is toUppercase() alphanumeric in javascript? [closed]

Question

You can use a regex match to see if the string contains all uppercase letters:

  var uppercaseletters = /^[A-Z]+$/;  
  if(data2.match(uppercaseletters)) {  
    document.write('hey');
  }  else {  
    document.write('nope');
  }

Accepted Answer

You can use a regex match to see if the string contains all uppercase letters:

  var uppercaseletters = /^[A-Z]+$/;  
  if(data2.match(uppercaseletters)) {  
    document.write('hey');
  }  else {  
    document.write('nope');
  }