@canutin/svelte-currency-input/dist/utils/getSuffix.js

A fully-featured currency input component for Svelte 5 that handles formatting, localization, and validation

import { escapeRegExp } from './escapeRegExp';
export const getSuffix = (value, { groupSeparator = ',', decimalSeparator = '.' }) => {
    const suffixReg = new RegExp(`\\d([^${escapeRegExp(groupSeparator)}${escapeRegExp(decimalSeparator)}0-9]+)`);
    const suffixMatch = value.match(suffixReg);
    return suffixMatch ? suffixMatch[1] : undefined;
};