# IsNumeric

Returns TRUE if string can be converted to a number; otherwise, FALSE.

See also IsBinary.

### Syntax

    IsNumeric(string)

##### string

Any string value.

### Examples

    <!--- This example shows the use of IsNumeric --->
    <HTML>
    <HEAD>
    <TITLE>
    IsNumeric Example
    </TITLE>
    </HEAD>

    <BODY BGCOLOR=silver>
    <H3>IsNumeric Example</H3>

    <CFIF IsDefined("FORM.theTestValue")>
        <CFIF IsNumeric(FORM.theTestValue)>
        <H3>The string <CFOUTPUT>#DE(FORM.theTestValue)#</CFOUTPUT>
          can be converted to a number</H3>
        <CFELSE>
        <H3>The string <CFOUTPUT>#DE(FORM.theTestValue)#</CFOUTPUT>
          cannot be converted to a number</H3>
        </CFIF>
    </CFIF>

    <FORM ACTION="isNumeric.cfm" METHOD="POST">
    <P>Enter a string, and discover if
    it can be evaluated to a numeric value.

    <P><INPUT TYPE="Text" NAME="TheTestValue" VALUE="123">
    <INPUT TYPE="Submit" VALUE="Is it a Number?" NAME="">
    </FORM>

    </BODY>
    </HTML>