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IsDate
Last update:
May 18, 2026
Description
Determines whether a string or Java object can be converted to a date/time value.
Returns
True, if string can be converted to a date/time value; False, otherwise.
Category
Syntax
IsDate(string)See also
Parameters
Parameter | Description |
string | A string or a variable that contains one. |
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.
Example
<cfscript>
writeOutput("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" & "<br>" & "<br>")
date = IsDate(now());
writeOutput("Can string be converted to a date/time value : " & date & "<br>");
string = IsDate("12/12/2018");
writeOutput("Can 12/12/2018 be converted to a date/time value: " & string & "<br>");
string = IsDate("Hello_world");
writeOutput("Can Hello_world be converted to a date/time value: " & string);
</cfscript>Output
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
Can string be converted to a date/time value : YES
Can 12/12/2018 be converted to a date/time value: YES
Can Hello_world be converted to a date/time value: NO
Can string be converted to a date/time value : YES
Can 12/12/2018 be converted to a date/time value: YES
Can Hello_world be converted to a date/time value: NO
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