I have the following input field:
<input
type="email"
id="emailAddr"
name="emailAddr"
pattern="[a-z0-9._%+-]+#[a-z0-9.-]+\.[a-z]{2,}$"
placeholder="name#domain.com"
/>
Surprisingly, it allows me to enter the empty email field, whereas if I type something and submit it, it shows an error if the email is not valid.
As described in the specification, constraint validation for the pattern attribute is not performed if the input value is an empty string.
You need to add a required attribute to your element:
<input
type="email"
id="emailAddr"
name="emailAddr"
pattern="[a-z0-9._%+-]+#[a-z0-9.-]+\.[a-z]{2,}$"
placeholder="name#domain.com"
required
/>
Input already allows for email validation, so no need to add in a pattern, just use:
<input type="email" id="email" name="email">
HTML5 Email Validation
Related
Using Html5 I've a view which contains an email input field.
So to validate the correct email address I am using pattern attribute for validation.
But that is not working correctly, the problem I am facing here is though I enter invalid email address as abc#gmail the validation is not working.
i tested the same regex pattern in fiddler, it is working fine there, but coming to my application it is not working correctly. Please help me out with this.
Here is my view:
<form>
<input type="email"
class="form-control"
data-val="true"
data-val-required="please enter an email address"
pattern="[a-z0-9._%+-]+#[a-z0-9.-]+.[a-z]{2,4}$"
required>
<input type="submit" />
</form>
Regex should be
[a-z0-9._%+-]+#[a-z0-9.-]+.[a-z]{2,}$
instead of
[a-z0-9._%+-]+#[a-z0-9.-]+.[a-z]{2,4}$
So the html input would be:
<input type="email"
class="form-control"
data-val="true"
data-val-required="please enter an email address"
pattern="[a-z0-9._%+-]+#[a-z0-9.-]+\.[a-z]{2,}$"
required>
NOTE: difference in regex is {2,} and {2,4}
I have a form that contains an input of type email that is required. I would like to have my own custom validation on that input field in order to be able to show the error message in different languages. However, currently the input field is evaluated by the HTML5 validation.
The code looks like this:
<input [(ngModel)]="user.email" type="email" class="form-control" id="email" name="email" required placeholder="{{'Email'|translate}}">
Is it possible to disable that, so that I am able to implement my own validation?
The validation code is yet to be written.
Include tag with no validate attribute as below
<form action="Form" novalidate>
<input [(ngModel)]="user.email" type="email" class="form-control" id="email" name="email" required placeholder="{{'Email'|translate}}">
<input type="submit">
</form>
i have a text field for email which is set to required, i want it to show a text that you need to include "#" on your email. like how it displays "fill out this field" when you pressed the button without typing anything on the field. How can i do it? Thanks.
EXAMPLE:
<input type="text" name="email" required>
You can try to use the type in case you are using HTML5 as:
<input type="email" name="email" required>
If you are not using the HTML5 then you need to use some scripting language like Javascript to check the validity. For example in Javascript it would be like:
if(!document.getElementById("email").checkValidity())
In case of PHP it would be like
if (filter_var($email, FILTER_VALIDATE_EMAIL))
You can check it by using (since HTML5):
<input type="mail" name="email" required>
It will display a warning if format is not correct (tooltip, or red color around the field, depending on your browser.
Or you can check it on the server side, once you form is sent. For example with PHP, you can use filter_var
Use pattern attribute,
<input type="text" name="email" pattern=".*[#]+.*" />
<input type="email" name="email" required />
More details are at: http://www.w3schools.com/tags/att_input_pattern.asp
I've got really simple question - is there any way to disable HTML5 validation only for some chosen inputs (instead of setting "novalidate" for whole form)?
I mean something like <input type='number' requirednovalidate>. But this doesn't work.
You may ask why I need type="number" or "required" then? Well, I need it there because my framework uses it for its own validation.
EDIT
It is about one special input - birth number. I need it to be of type number (because of mobile devices) but its value is mostly used with "/" (e.g. 860518/8757) which is not valid character for type number. So I need user to fill it without slash (8605188757). The problem is when there is invalid value filled in html5 input (e.g. "fsda" in number type), it seems like it is empty, with no value.
So when user fill the value in wrong format (860518/8757), html validation is disabled so the JS validation runs, it is validated like empty field. So the error message is like "Please fill the field birth number" (which is really confusing) instead somthing like "Sorry, wrong format".
My solution was to enable html5 validation for this field (so the default browser message is displayed when there is wrong format filled) but disable it for other fields so that they would be validated only with my JS validation.
You cannot disable HTML5 validation for a chosen input(s).
If you want to remove validation on the entire form you can use formnovalidate in your input element.
For example,
<input type="submit" value="Save" class="button primary large" formnovalidate/>
Note you can use formnovalidate with <input type=submit>, <inut type=image> or <button> -source
For more info go here or here.
novalidate attribute is only for form tag, it can't be applied on form controls.
You can remove the required attribute in js, after your framework validates:
$('[Selector]').removeAttr('required');
Now the selected field will not be validated.
Inputs will be validate when:
have attr required or prop required=true
aren't empty; don't have to have attr required or prop required=true
and have no attr disabled or prop disabled=true
If you want to validate data in a specific way, use pattern attr.
JSFiddle
(function() {
document.querySelector('form').addEventListener('submit', function(event) {
event.preventDefault();
});
})();
<form>
1. <input type='text'><br>
2. <input type='text' required><br>
3. <input type='text' required disabled><br>
4. <input type='text' value="" pattern="\d*"><br>
5. <input type='text' value="" pattern="\d*" required><br>
6. <input type='text' value="" pattern="\d+"><br>
7. <input type='text' value="" pattern="\d+" required><br>
8. <input type='text' value="test" pattern="\d+" required disabled><br>
<button>check field validity</button>
</form>
I am using the html5 attribute required to valid my input. I find once the form has become invalid, it doesn't recognize when the user has typed in valid information.
For example:
<input id="name" type="text" name="username" required oninvalid="setCustomValidity('Please enter a username!')">
If the user misses this feild it highlight red and tells the user to fill it in. If they then fill it in and click submit, it tells the user to fill it in.
How do I recover my forms once they have become invalid?
It's not rechecking after declaring the form element invalid. Try adding an empty setCustomValidity string to oninput. Ie:
<input id="name" type="text" name="username" required oninvalid="setCustomValidity('Please enter a username!')" oninput="setCustomValidity('')" >
I do something similar to #Julie answer but use onchange instead of oninput ...
I use oninvalid to set the custom validty error message and then use onchange to reset the message so the form can submit properly.
<input type="number" oninvalid="this.setCustomValidity('Please enter an INTEGER')" onchange="this.setCustomValidity('')" name="integer-only" value="0" min="0" step="1">