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chromium/components/test/data/autofill/heuristics/input/182_cc_forms_with_autocomplete.html 

<html>

<body>

	<h1>MM, YY inputs, no placeholders</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <input name="cc-exp-month" autocomplete="cc-exp-month">/<input name="cc-exp-year" autocomplete="cc-exp-year"><br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YY inputs, with placeholders</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <input name="cc-exp-month" autocomplete="cc-exp-month" placeholder="mm">/<input name="cc-exp-year" autocomplete="cc-exp-year" placeholder="yy"><br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YYYY inputs, with placeholders</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <input name="cc-exp-month" autocomplete="cc-exp-month" placeholder="mm">/<input name="cc-exp-year" autocomplete="cc-exp-year" placeholder="yyyy"><br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YY inputs, with maxlength</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <input name="cc-exp-month" autocomplete="cc-exp-month" maxlength=2>/<input name="cc-exp-year" autocomplete="cc-exp-year" maxlength=2><br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YYYY inputs, with maxlength</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <input name="cc-exp-month" autocomplete="cc-exp-month" maxlength=2>/<input name="cc-exp-year" autocomplete="cc-exp-year" maxlength=4><br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MMYY input, with placeholder</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <input name="cc-exp" autocomplete="cc-exp" placeholder="mm/yy"><br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MMYYYY input, with placeholder</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <input name="cc-exp" autocomplete="cc-exp" placeholder="mm/yyyy"><br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YY selects, year as YY content and value</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <select name="cc-exp-month" autocomplete="cc-exp-month">
			<option value=1>1</option>
			<option value=2>2</option>
			<option value=3>3</option>
			<option value=4>4</option>
			<option value=5>5</option>
			<option value=6>6</option>
			<option value=7>7</option>
			<option value=8>8</option>
			<option value=9>9</option>
			<option value=10>10</option>
			<option value=11>11</option>
			<option value=12>12</option>
		</select>
			/
		<select name="cc-exp-year" autocomplete="cc-exp-year">
			<option value=23>23</option>
			<option value=24>24</option>
			<option value=25>25</option>
		</select>
			<br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YY selects, year as YY content and YYYY value</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <select name="cc-exp-month" autocomplete="cc-exp-month">
			<option value=1>1</option>
			<option value=2>2</option>
			<option value=3>3</option>
			<option value=4>4</option>
			<option value=5>5</option>
			<option value=6>6</option>
			<option value=7>7</option>
			<option value=8>8</option>
			<option value=9>9</option>
			<option value=10>10</option>
			<option value=11>11</option>
			<option value=12>12</option>
		</select>
			/
		<select name="cc-exp-year" autocomplete="cc-exp-year">
			<option value=2023>23</option>
			<option value=2024>24</option>
			<option value=2025>25</option>
		</select>
			<br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YY selects, year as YYYY content and YY value</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <select name="cc-exp-month" autocomplete="cc-exp-month">
			<option value=1>1</option>
			<option value=2>2</option>
			<option value=3>3</option>
			<option value=4>4</option>
			<option value=5>5</option>
			<option value=6>6</option>
			<option value=7>7</option>
			<option value=8>8</option>
			<option value=9>9</option>
			<option value=10>10</option>
			<option value=11>11</option>
			<option value=12>12</option>
		</select>
			/
		<select name="cc-exp-year" autocomplete="cc-exp-year">
			<option value=23>2023</option>
			<option value=24>2024</option>
			<option value=25>2025</option>
		</select>
			<br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>
	<hr>
	<h1>MM, YY selects, year as YYYY content and YYYY value</h1>
	<form action="/foo" method="post">
		Name: <input name="cc-name" autocomplete="cc-name"><br>
		Number: <input name="cc-number" autocomplete="cc-number"><br>
		Expiration date: <select name="cc-exp-month" autocomplete="cc-exp-month">
			<option value=1>1</option>
			<option value=2>2</option>
			<option value=3>3</option>
			<option value=4>4</option>
			<option value=5>5</option>
			<option value=6>6</option>
			<option value=7>7</option>
			<option value=8>8</option>
			<option value=9>9</option>
			<option value=10>10</option>
			<option value=11>11</option>
			<option value=12>12</option>
		</select>
			/
		<select name="cc-exp-year" autocomplete="cc-exp-year">
			<option value=2023>2023</option>
			<option value=2024>2024</option>
			<option value=2025>2025</option>
		</select>
			<br>
		CVC: <input name="cc-cvc"><br>
		<button type=submit>submit</button>
	</form>

</body>
</html>