CFLib.org – isTime

isTime(time [, formatOption])

Last updated March 4, 2010

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Version: 0 | Requires: ColdFusion MX | Library: DateLib

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Description:
Validates if a string is a valid time in 12- or 24-hour format. Optionally, can require time be in a specific format.

Return Values:
Returns a boolean.

Example:

view plain print about

isTime("1:23 AM")<br />
isTime("1:23:45 pm", "12")<br />
isTime("23:00")<br />
isTime("23:00:00", "24")

isTime("1:23 AM")<br />
isTime("1:23:45 pm", "12")<br />
isTime("23:00")<br />
isTime("23:00:00", "24")

Parameters:

Name	Description	Required
time	time string to check format	Yes
formatOption	argument to check if 12 or 24 hr format required	No

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				about
				ColdFISH is developed by Jason Delmore.  Source code and license information available at coldfish.riaforge.org.  Version 3.1.1
				
			<cfscript>
/**
 * Validates if a string is a valid time in 12- or 24-hour format
 * 
 * @param time 	 time string to check format (Required)
 * @param formatOption 	 argument to check if 12 or 24 hr format required (Optional)
 * @return Returns a boolean. 
 * @author Mosh Teitelbaum (&#109;&#111;&#115;&#104;&#46;&#116;&#101;&#105;&#116;&#101;&#108;&#98;&#97;&#117;&#109;&#64;&#101;&#118;&#111;&#99;&#104;&#46;&#99;&#111;&#109;) 
 * @version 0, March 4, 2010 
 */
function isTime(time) {
	var found=0;
	if ( (arrayLen(arguments) eq 2) AND (arguments[2] is "12")) {
		found=reFindNoCase("^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [ap]m))$", arguments.time);
	} else if ( (arrayLen(Arguments) eq 2) AND (Arguments[2] is "24")) {
		found=reFindNoCase("^([01]\d|2[0-3])(:[0-5]\d){0,2}$", arguments.time);
	} else {
		found=reFindNoCase("^([01]\d|2[0-3])(:[0-5]\d){0,2}$|^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [ap]m))$", arguments.time);
	}
	if (found GT 0)
		return true;
	else
		return false;
}
</cfscript>
		<cfscript>
/**
 * Validates if a string is a valid time in 12- or 24-hour format
 * 
 * @param time      time string to check format (Required)
 * @param formatOption      argument to check if 12 or 24 hr format required (Optional)
 * @return Returns a boolean. 
 * @author Mosh Teitelbaum (mosh.teitelbaum@evoch.com) 
 * @version 0, March 4, 2010 
 */
function isTime(time) {
    var found=0;
    if ( (arrayLen(arguments) eq 2) AND (arguments[2] is "12")) {
        found=reFindNoCase("^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [ap]m))$", arguments.time);
    } else if ( (arrayLen(Arguments) eq 2) AND (Arguments[2] is "24")) {
        found=reFindNoCase("^([01]\d|2[0-3])(:[0-5]\d){0,2}$", arguments.time);
    } else {
        found=reFindNoCase("^([01]\d|2[0-3])(:[0-5]\d){0,2}$|^((0?[1-9]|1[012])(:[0-5]\d){0,2}(\ [ap]m))$", arguments.time);
    }
    if (found GT 0)
        return true;
    else
        return false;
}
</cfscript>