Constant non_std::dependencies::strs_tools::string::number::protected::format::TRAILING_DIGIT_SEPARATOR

pub const TRAILING_DIGIT_SEPARATOR: u128 = INTEGER_TRAILING_DIGIT_SEPARATOR | FRACTION_TRAILING_DIGIT_SEPARATOR |
    EXPONENT_TRAILING_DIGIT_SEPARATOR; // 1_924_145_348_608u128

A digit separator is allowed after any digits.