RegExp.leftContext : RegExp Object : Regular Expressions JAVASCRIPT TUTORIALS

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RegExp.leftContext

The leftContext property represents the substring preceding the most recent pattern match.



<html>
    <body>
    <script language="JavaScript">
    <!--
    pat = /is*/g;

    var str = "This is a test";

    myArray = pat.exec(str);

    document.write("In the string: " + "<b>" + "I know where the fish is tonight" + "</b><br><br>");
    document.write("The RegExp.leftContext is: " + RegExp.leftContext);

    -->
    </script>
    </body>
    </html>