JavaScript input Property

Definition and Usage

The input property is the string the pattern match is performed.

Syntax

RegExp.input

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Example

In the following example we will get the input string the regular expression vas performed on:

<script type="text/javascript"> function getRegInput() { var patt1 = new RegExp("W3"); var str = document.frm1.txtinput.value; patt1.test(str); if(RegExp.input) { alert("The input is: " + RegExp.input); } else { alert("The input does not contain W3"); } } </script> <form name="frm1"> Enter some Text and click outside: <input type="text" name="txtinput" onChange='getRegInput()'><br /> Input will only show if text contains W3. </form>