Constant lexical_core::format::SAGE_STRING

pub const SAGE_STRING: u128 = NumberFormatBuilder::new().digit_separator(num::NonZeroU8::new(b'_')).internal_digit_separator(true).build(); // 0x0000_0a00_0000_005f_0000_0007_0000_000cu128

Number format to parse a Sage float from string.