CFLib.org – Common Function Library Project

Description:
Validates a dutch postal code which is formatted with four digits (first digit can't be a zero) an (optional space) and two alphas.

Return Values:
Returns a boolean.

Example:

<cfoutput>
#isPostalCodeNL(0111 AA)# (will be false)<br/>
#isPostalCodeNL(1000AA)# (will be true)<br/>
#isPostalCodeNL(9999 AA)# (will be true)<br/>
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Checks if valid Dutch postal code.
 * 
 * @param str      String to check. (Required)
 * @return Returns a boolean. 
 * @author Jorrit Janszen (jorrit@janszen.net) 
 * @version 1, October 23, 2005 
 */
function isPostalCodeNL (str) {
    //postal codes consists of 4 digits, folowed by one space and two alphas
    return reFind("[1-9][[:digit:]]{3}[ ]?[[:alpha:]]{2}", arguments.str) gte 1;
}