Common Bootstrap Mistake #1: Basic misconceptions about the framework We will take a look at 10 of the most common Bootstrap mistakes, problems, and misconceptions when developers start using it. Because Bootstrap looks very simple and easy to use, many developers are rushing into the framework, and so mistakes happen. Most of the important pitfalls are mentioned there, but still some mistakes are pretty subtle, or have ambiguous causes. There is a very well written Bootstrap documentation with many HTML, CSS, and JavaScript code examples. And indeed, it is not difficult to start using Bootstrap. You can test them with the browser preview or when exporting your design.At first glance, Bootstrap seems quite simple. Now you know how easy it is to add validation rules for your input fields in Bootstrap Studio.

That's why we use a regular expression ^*$, alongside min and max lengths. We want the user to enter only numbers, latin letters (both lower and upper case), dots and underscores. That's why we have placed a minimum length restriction.įor the username field we have a more complex validation rule. As this control is an Email Input, browsers will validate the contents of the field as an email address automatically.įor the password field we want the user to enter a password at least 6 symbols long. # Email Validationįor the email field all you need to do is to toggle the 'Required' switch. Let's take a look at some practical examples on how to use these options. We'll use this for the Username field in our form. Validation Pattern - specifies a regular expression that validates the entered data.Min Length - specifies the minimum number of symbols that the user must enter in the input field.Max Length - specifies the maximum number of symbols that the user can enter in the input field.It requires the user to enter something before submitting the form.

Required - This option specifies that the input field can not be empty.

Here you will find 4 validation controls: In order to add a validation rule to any of your input fields, select the component, go to the Options panel and expand the Validation group.

Bootstrap studio contact form