Example
Get the value of the pattern attribute of an email field:
var x = document.getElementById("myEmail").pattern;
The result of x will be:
[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2,3}$
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Definition and Usage
The pattern property sets or returns the value of the pattern attribute of an email field.
The pattern attribute specifies a regular expression that the email field's value is checked against.
Tip: Use the global HTML title attribute or the DOM title property to describe the pattern to help the user.
Tip: Learn more about Regular Expressions in our JavaScript Tutorial.
Tip: Also see our Complete JavaScript RegExp Reference.
Browser Support
| Property | |||||
|---|---|---|---|---|---|
| pattern | Yes | 10.0 | Yes | Yes | Yes |
Syntax
Return the pattern property:
emailObject.pattern
Set the pattern property:
emailObject.pattern=regexp
Property Values
| Value | Description |
|---|---|
| regexp | Specifies a regular expression that the email field's value is checked against |
Technical Details
| Return Value: | A String, representing a regular expression |
|---|
Related Pages
HTML reference: HTML <input> pattern attribute
< Input Email Object