Pattern attribute is used for input field validation and used to provide a regular expression which is used to match the input fields value whether the value is according to the pattern specified or ...

Adding a 'pattern' attribute to an NgbDatepicker input causes it to always be marked as invalid, even if the input text matches the pattern. I have added a light-red background styling to elements ...

In my last column, I discussed HTML5 support for offline storage and caching through the use of LocalStorage and SessionStorage. Continuing with the HTML5 focus, I want to investigate the new ...

The HTML5 spec states the following for the pattern attribute: The compiled pattern regular expression, when matched against a string, must have its start anchored to the start of the string and its ...