Inline Enter Only number ... <label> <h4>Enter Only number</h4> <input type="text" name="areinp" size="30" value="" onChange="areCon()" onkeyup="this.value=this.value.replace(/[^\d]/,'');"> </label> valid only alphabet in input box ... <input type="text" name="fullName" onkeypress="return (event.charCode > 64 && event.charCode < 91) || (event.charCode > 96 && event.charCode < 123)" placeholder="Full Name"> Password (must contain at least 1 uppercase character, 1 lowercase character, and 1 number) <form> <label for="password">Password (must contain at least 1 uppercase character, 1 lowercase character, and 1 number)</label> <input type="password" id="password" pattern="^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?!.*\s).*$...