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HTML Code to check the Password strength

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<html>
    <head>
        <title>Password Strength</title>
    </head>
    <body style="color: white; background-color: #294a8f; text-align: center; text-shadow: 2px; font-family: sans-serif;">
    <center>
        <div>
            <input type="password" id="password" placeholder="Your Password" autofocus/><br>
            <button id="strength" onclick="getStrength();" style="appearance: push-button; border-color: #3b5998; background-color: #294a8f; color: white;">Strength</button>
            <div id="result"></div>
            <script>
                function getStrength(){
                    var password, strength=0, result;
                    password=document.getElementById('password').value;
                    result=document.getElementById('result');
                    if (password.length > 7) strength += 1
                    if(password.length>7){
                        if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/))  strength += 1
                        if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/))  strength += 1
                        if (password.match(/([!,%,&,@,#,$,^,*,?,_,~])/))  strength += 1
                        if (password.match(/(.*[!,%,&,@,#,$,^,*,?,_,~].*[!,%,&,@,#,$,^,*,?,_,~])/)) strength += 1
                    }
                    if (strength < 2 ) {
                        strength='Weak'          
                    } else if (strength == 2 ) {
                        strength='Good'      
                    } else {
                        strength='Strong'
                    }
                    result.innerHTML=strength;
                }
            </script>
        </div>
    </center>
</body>
</html>

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