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