Vue Js Password validation regex

<!DOCTYPE html>
<html lang="en">

<body>
    <div id="app">
        <label for="password">Password:</label>
        <div>
            <input type="text" v-bind:type="showPassword ? 'text' : 'password'" id="password" v-model="password"
                @input="validatePassword" />
            <button @click="showPassword = !showPassword">{{ showPassword ? 'Hide':'Show' }}</Fbutton>
        </div>
        <span v-if="showValidationMessage">{{ validationMessage }}</span>
    </div>

};
            },
            methods: {
                validatePassword() {
                    const passwordRegex = /^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$/
                    if (!this.password) {
                        this.showValidationMessage = false;
                        return;
                    }
                    if (passwordRegex.test(this.password)) {
                        this.showValidationMessage = false;
                    } else {
                        this.showValidationMessage = true;
                        this.validationMessage = 'Password must contain  at least one letter and one digit, and is at least 8 characters long';
                    }
                },

}
        });
    </script>
    <style scoped>
        #app {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
        }

label {
            font-weight: bold;
            margin-bottom: 8px;
        }

input {
            padding: 8px;
            border-radius: 4px;
            border: 1px solid #ccc;
            margin-bottom: 16px;
        }

button {
            background-color: #4caf50;
            color: white;
            padding: 8px 16px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            margin-left: 8px;
        }

button:hover {
            background-color: #3e8e41;
        }

span {
            color: red;
            margin-top: 8px;
        }
    </style>
</body>

</html>