CFLib.org – Common Function Library Project

Description:
Checks if valid Belgium postal code. Does not actually check if the postal code exists, but merely the format.

Return Values:
Returns a boolean.

Example:

<cfoutput>
#isPostalCodeBE(0111)# (will be false)<br/>
#isPostalCodeBE(9999)# (will be true)<br/>
</cfoutput>

Parameters:

Full UDF Source:

/**
 * Checks if valid Belgium postal code.
 * 
 * @param str      String to check. (Required)
 * @return Returns a boolean. 
 * @author Peter J. Farrell (pjf@maestropublishing.com) 
 * @version 1, October 6, 2005 
 */
function isPostalCodeBE(str) {
    // Postal codes cannot start with 0
    return REFind("[1-9][[:digit:]]{3}", arguments.str) gte 1;
}