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HTML | DOM Input Text pattern Property

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  • Difficulty Level : Basic
  • Last Updated : 07 Mar, 2019

The Input Text pattern Property in HTML DOM is used to set or return the pattern attribute of an text field. It is used to specify the regular expression on which the input elements value is checked. Use the global title attribute to describe the pattern for helping the user.


  • It returns the Input Text pattern property.
  • It is used to set Input text pattern property.
    textObject.pattern = regexp

Property Values: It contains single value regexp which is used to specify the regular expression that a text field value is checked against.

Return Value: It returns a string value which represents the regular expression that an Text field value is checked against.

Example: This example illustrates the use of Input Text pattern property.

<!DOCTYPE html> 
        HTML DOM Input Text Pattern Property
<body style="text-align:center;"
    <h2>DOM Input Text pattern Property</h2
    <form id="myGeeks">
        <input type="text" id="text_id" pattern="[A-Za-z]{3}"
    <button onclick="myGeeks()">Click Here!</button
    <p id="GFG" style="font-size:20px;"></p
    <!-- script to return the pattern Property-->
        function myGeeks() { 
            var txt = document.getElementById("text_id").pattern;
            document.getElementById("GFG").innerHTML = txt; 

Before Clicking the Button:

After Clicking the Button:

Supported Browsers: The browser supported by DOM Input Text pattern Property are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Safari

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