@extra-number/from-roman v2.0.27

Converts roman numerals to number.

This is part of package extra-number.

number.fromRoman(txt);
// txt: roman numerals

const number = require('extra-number');

number.fromRoman('IX');
// 9

number.fromRoman('CMXXVIII');
// 928

number.fromRoman('- x c i x');
// -99

number.fromRoman('IIII');
// 4 (additive notation)

number.fromRoman('XXIIII');
// 24 (additive notation)