pattern attribute

<input pattern ='A-Za-z'>

Explanation

Pattern attribute allows the user to place a pattern which can be matched by the value entered by user before the field is submitted.

Example Code:

Result :

Enter login code:
  • User can enter only the "alphabetical characters".
  • The value entered by user will be validated only when it matches the required value.
  • It is used to do regular expression i.e. to specify the pattern characters.

Limitations:

It will function only in Firefox, Opera and Chrome web browsers.

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