function isPasswordValid(password) { return /^(?=.[a-z])(?=.[A-Z])(?=.[0-9])(?=.\W).{8,}$/.test(password); }

function isPasswordValid(password) { const issues = []; if (password.length < 8) issues.push("Minimum length is 8 characters"); if (!/[a-z]/.test(password)) issues.push("Must contain at least one lowercase letter"); if (!/[A-Z]/.test(password)) issues.push("Must contain at least one uppercase letter"); if (!/[0-9]/.test(password)) issues.push("Must contain at least one digit"); if (!/\W/.test(password)) issues.push("Must contain at least one special character"); return issues.length > 0 ? issues : ["Password is valid"]; }