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HTML | <input> pattern Attribute

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  • Last Updated : 12 Aug, 2022

The HTML <input> pattern attribute is used to specify the regular expression on which the input elements value is checked against. 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">

Example: This example illustrates the use of pattern attribute in <input> element. 

html




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

Output:

  

Supported Browsers: The browser supported by HTML <input> pattern attribute are listed below:

  • Google Chrome 4.0
  • Edge 12.0
  • Internet Explorer 10.0
  • Firefox 4.0
  • Safari 5.0
  • Opera 12.1
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