how to add the limit fucntionlity in the custom formater?

[tjnapster555]

i want to make this format
43234-4543453-1 with set the limit total allowed numbers to be 14 only how can do that in the custom format ax5ui-formatter
@thomasJang

[thomasJang]

check this link http://ax5.io/ax5ui-formatter/demo/pattern-extend.html