Our cxMaskEdit version v5.14
I want write credit card number with format like 1234 56** **** 1234
Text length must be 16.
First six number and last four number will be only decimal.
In middle also only decimal but its must be password char.
How can I make it?
I recommend that you take a look at http://www.regexlib.com/ - a wonderful library of regular expressions, including an online tester. This site may help you get a mask that meets your requirements because there is a really great number of different masks there. If this does not help, leave a comment here and we will try to build a corresponding mask for you.