javascript regex for special characters

Question

I\'m trying to create a validation for a password field which allows only the a-zA-Z0-9 characters and .!@#$%^&*()_+-=

I can\'t seem to

Answer 1

function nameInput(limitField)
{
//LimitFile here is a text input and this function is passed to the text 
onInput
var inputString = limitField.value;
// here we capture all illegal chars by adding a ^ inside the class,
// And overwrite them with "".
var newStr = inputString.replace(/[^a-zA-Z-\-\']/g, "");
limitField.value = newStr;
}

This function only allows alphabets, both lower case and upper case and - and ' characters. May help you build yours.