CFLib.org – Common Function Library Project

Description:
Check if postal code is a valid postal code of Denmark. Does not check if the postal actually exsists, but if it meets the format. Regex is case insensitive.

Return Values:
Returns a string.

Example:

<cfoutput>
#isPostalCodeDK("DK-0111")# (false because first numeric is 0)<br/>
#isPostalCodeDK("CH-9999")# (false)<br/>
#isPostalCodeDK("DK-1999")# (true)
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Checks if valid postal code of Denmark.
 * 
 * @param str      String to check. (Required)
 * @return Returns a string. 
 * @author Peter J. Farrell (pjf@maestropublishing.com) 
 * @version 1, October 6, 2005 
 */
function isPostalCodeDK(str) {
    // The first numeric of the postal codes cannot start with 0
    return REFind("^[D-d][K-k]( |-)?[1-9]{1}[[:digit:]]{3}$", arguments.str) gte 1;
}