The string containing numbers to convert to subscripts
The string with numbers converted to subscript characters
subscript("H2O") // Returns "H₂O"
subscript("CO2") // Returns "CO₂"
export const subscript = (str: string) => {
return str.replace(/[0-9]/g, (match) => SUBSCRIPTS[match] || match);
};
Converts regular numbers in a string to subscript Unicode characters.