Html code for validating forms
This attribute specifies a format (in the form of a Java Script Regular Expression) that the field value is checked against.
Regular expressions are a language used for parsing and manipulating text.
This means that server-side side validation should also be in place before the form data is sent to the server for processing. Creator of the popular Profile Press and Mail Optin Word Press plugins.
When not wrangling with code, you can find him writing at his personal blog or on Twitter.
Not all browsers support HTML5, and not all input sent to your script will come from the form.
By adding this attribute to a form field, the browser requires the user to enter data into that field before submitting the form.
This replaces the basic form validation currently implemented with Java Script, making things a little more usable and saving us some development time.
There is also Note: The formatting of phone numbers varies from country to country due to the inconsistency in lengths and formats.
As a result, the specification doesn’t define an algorithm for validating these, hence it isn’t supported web browsers at the time of writing. The pattern attribute will likely make a lot of developers, especially those working on the front-end, happy.
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