RegExp.$1,$2,..$9
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The RegExp.$1,$2,..$9 property represents parenthesized substring matches. |
<html> <body> <script language="JavaScript1.2"> <!--
function swap(){ re = /(w+)D(w+)/; str = document.form1.text1.value; newstr=str.replace(re, "$2, $1"); document.form1.text2.value = newstr; } --> </script> <form name="form1"> Enter your 7 digit phone number in the form xxx-xxxx <br><br><br> Phone Number (7 digits):<input type="text" name="text1" size=10> <br><br> <input type="button" value="Swap" onClick='swap()'> <br><br><br> Output: <input type="text" name="text2" size=10 </form> </body> </html>
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