${aoweb:getCardNumberDisplay()}

Formats a card number for display. The card number may be a full or masked format. Displays as "•••• ####", where the "####" is the last-four digits of the card number. Each digit may be represented by a "?" when it is unknown.

When null, null is returned.

When an empty string, after trimming, an empty string is returned.

Example

${aoweb:getCardNumberDisplay(cardNumber)}

Function Information

Function Class:	com.aoindustries.web.struts.aowebtags.Functions
Function Signature:	java.lang.String getCardNumberDisplay(java.lang.String)
Display Name:	None