Java USES regular expression as an easy way to add thousands to Numbers
- 2020-04-01 03:14:19
- OfStack
The Java support for regular expressions is perfect, with zero-width assertions to add thousands to integers in a single sentence.
"1234567890".replaceAll("(?<=\d)(?=(?:\d{3})+$)", ",");
// => 1,234,567,890