Given the decimal numerals we're all familiar with:
And given any number, for example:
1 100 156021 -23 -212311 242.2129 -21.001
Can we safely assume that in every language in the world where decimal numerals are not natively displayed, that we can swap each decimal numeral for a static character in these other languages?
This is for a translation system, so we're not interested in supporting extinct/historic languages.