Hi,If you are trying to bind to alternating rows of data then have a look at subformsets, you can define multiple subforms under a set and it works out which one to use.RegardsBruce

Hi,Adobe Reader uses SpiderMonkey JavaScript, so you could start with RegExp.prototype.test() - JavaScript | MDN  There will be some things on that website that don't apply as Adobe Reader is still using a fairly old version 1.7 or 1.8RegardsBruce

Hi,Try a display pattern of;num{'000'9}|num{'00'99}|num{'0'999}|num{9999}One digit will match the first pattern and add the '000' string, etcRegardsBruce