HTML | pattern Attribute

This attribute is used to specify the regular expression on which the input element value is checked. This attribute works with the following input types: text, password, date, search, email, etc. Use the Global title attribute to describe the pattern for helping the user.

Syntax:

<input pattern = "regular_exp">

Element: This attribute is associated with <input> element only.

Attribute: This attribute specifies the regular expression.

Example:

<!DOCTYPE html> 
<html> 
    <head> 
        <title>pattern attribute</title> 
        <style> 
            body { 
                text-align:center; 
            } 
            h1 { 
                color:green; 
            } 
        </style> 
    </head> 
    <body> 
        <h1>GeeksforGeeks</h1> 
        <h2>pattern attribute</h2> 
        <form action="#"> 
            Password: <input type="text" name="Password"
            pattern="[A-Za-z]{3}" title="3 letter Password"> 
        <input type="submit"> 
        </form> 
    </body> 
</html>                     

Output:

Supported Browsers: The browser supported by pattern attribute are listed below:

Google Chrome 5.0 and above
Internet Explorer 10.0 and above
Firefox 4.0 and above
Opera 9.6 and above

My Personal Notes

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ManasChhabra2

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