Append special character after every x characters
npm install special-append
const sAppend = require('special-append');
sAppend('123456789', '-', 3));
// Output: 123-456-789
sAppend('123456789', '$', 2);
// Output: 12$34$56$78$9- value (string): string value.
- character (string): character to append after x characters.
- character limit: character limit after which the character will be added.
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