HTML Input Pattern Guide
User
html input pattern for 8 digit alphanumeric value
Assistant
You can use the following HTML pattern for an 8-character alphanumeric input (containing both letters and numbers):
<input type="text" pattern="[A-Za-z0-9]{8}" title="Please enter 8 alphanumeric characters" required>### Explanation:
– `pattern="[A-Za-z0-9]{8}"`: This allows exactly 8 characters, where each character can be a letter (`A-Z` or `a-z`) or a number (`0-9`).
– `title="Please enter 8 alphanumeric characters"`: This provides a helpful message to the user if they don't match the pattern.
– `required`: Ensures the field can't be left empty.
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