var userName = document.getElementById("username"); var password1 = document.getElementById("password"); var password2 = document.getElementById("password-2"); var re= /^[0-9a-zA-Z]{3,10}$/; var repass = /^[.]{6,20}$/; if(!re.test(userName.value))return false; if(!repass(password1.value) || password1.value != password.value2)return false;
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