A simple library to apply masks to strings
yarn add mask-string
or
npm instal mask-string --save
import MaskString from 'mask-string'
MaskString('123456789', '99.99-99')
// 12.34-56
MaskString('AbcD', 'AA.AA-AA')
// Ab.cD
MaskString('Abc123', 'SS.SS-SS')
// Ab.c1-23
MaskString('==||==', '**.**-**')
// ==.||-==
MaskString('123abc=', '99.AA-SS')
// 12.ab-c