JSTL Parse Number
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %><%@ taglib uri="http://java.sun.com/jstl/fmt" prefix="fmt" %> <html> <head> <title>Parse Number</title> </head> <body> <form method="POST"> <table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="62%" id="AutoNumber1"> <tr> <td width="100%" colspan="2" bgcolor="#0000FF"> <p align="center"> <b> <font color="#FFFFFF" size="4">Number Formatting</font> </b> </p> </td> </tr> <tr> <td width="47%">Enter a number to be parsed:</td> <td width="53%"> <input type="text" name="num" size="20" /> </td> </tr> <tr> <td width="100%" colspan="2"> <p align="center"> <input type="submit" value="Submit" name="submit" /> <input type="reset" value="Reset" name="reset" /> </p> </td> </tr> </table> <p> </p> </form> <c:if test="${pageContext.request.method=='POST'}"> <table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="63%" id="AutoNumber2"> <tr> <td width="100%" colspan="2" bgcolor="#0000FF"> <p align="center"> <b> <font color="#FFFFFF" size="4">Formatting: <c:out value="${param.num}" escapeXml="false" /> </font> </b> </p> </td> </tr> <tr> <td width="51%">type="number"</td> <td width="49%"> <c:catch var="e"> <fmt:parseNumber var="i" type="number" value="${param.num}" /> <c:out value="${i}" escapeXml="false" /> </c:catch> <c:out value="${e}" escapeXml="false" /> </td> </tr> <tr> <td width="51%">type="currency"</td> <td width="49%"> <c:catch var="e"> <fmt:parseNumber var="i" type="currency" value="${param.num}" /> <c:out value="${i}" escapeXml="false" /> </c:catch> <c:out value="${e}" escapeXml="false" /> </td> </tr> <tr> <td width="51%">type="percent"</td> <td width="49%"> <c:catch var="e"> <fmt:parseNumber var="i" type="percent" value="${param.num}" /> <c:out value="${i}" escapeXml="false" /> </c:catch> <c:out value="${e}" escapeXml="false" /> </td> </tr> <tr> <td width="51%">type="number" integerOnly="true"</td> <td width="49%"> <c:catch var="e"> <fmt:parseNumber var="i" integerOnly="true" type="number" value="${param.num}" /> <c:out value="${i}" escapeXml="false" /> </c:catch> <c:out value="${e}" escapeXml="false" /> </td> </tr> </table> </c:if> </body> </html>