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         <td valign="top" class="name">ISDATE</td>
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    <td valign="top" colspan="2" class="description"><span class="title">Description</span>
<p>
Determines whether a string or Java object can be converted to a date/time value.
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    <td valign="top" colspan="2" class="description"><span class="title">Returns</span>
<p>
True, if string can be converted to a date/time value; False, otherwise. ColdFusion converts the Boolean return value to its string equivalent, &quot;Yes&quot; or &quot;No.&quot; 
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Date and time functions, Decision functions 
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    <td valign="top" colspan="2" class="description"><span class="title">Function syntax</span><pre>IsDate(string)
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    <td valign="top" colspan="2" class="description"><span class="title">See also</span>
<p>
CreateDateTime, IsNumericDate, IsValid, LSDateFormat, LSIsDate, ParseDateTime
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    <td valign="top" colspan="2" class="description"><span class="title">Parameters</span>
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    <td valign="top" colspan="2" class="description"><span class="title">Usage</span>
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This function checks against U.S. date formats only. For other date support, see LSDateFormat.
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A date/time object falls in the range 100 AD-9999 AD.
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    <td valign="top" colspan="2" class="description"><span class="title">Example</span><pre>&lt;h3&gt;IsDate Example&lt;/h3&gt;
&lt;cfif IsDefined(&quot;FORM.theTestValue&quot;)&gt;
   &lt;cfif IsDate(FORM.theTestValue)&gt;
   &lt;h3&gt;The string &lt;cfoutput&gt;#DE(FORM.theTestValue)#&lt;/cfoutput&gt; 
    is a valid date&lt;/h3&gt;
   &lt;cfelse&gt;
   &lt;h3&gt;The string &lt;cfoutput&gt;#DE(FORM.theTestValue)#&lt;/cfoutput&gt; 
    is not a valid date&lt;/h3&gt;
   &lt;/cfif&gt;
&lt;/cfif&gt;
&lt;form action = &quot;isDate.cfm&quot;&gt;
&lt;p&gt;Enter a string, find whether it can be evaluated to a date value.
&lt;p&gt;&lt;input type = &quot;Text&quot; name = &quot;TheTestValue&quot; value = &quot;&lt;cfoutput&gt;#Now()#
&lt;/cfoutput&gt;&quot;&gt;
&lt;input type = &quot;Submit&quot; value = &quot;Is it a Date?&quot; name = &quot;&quot;&gt;
&lt;/form&gt;
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<p>A string or a variable that contains one. </p>

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