The pattern attribute is used to specify the regular expression on which the input element value is checked. 

The pattern attribute works with the following input types: text, password, date, search, email, etc.

If u want that password field only required 6 alphabet no numeric values are acceptable.

  ex: <input type="text" pattern="[A-Za-z]{6}" >

If u want that password field only required 8 alphabet and 1 numeric value is required.

ex: <input type="text" pattern="[A-Za-z]{7}-[0-9]{1}" >


Example: 







If u entered the wrong pattern it shows an alert.


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