How to split string into numerics and alphabets using Regex

Question

I want to split a string like "001A" into "001" and "A"

Answer 1

string[] data = Regex.Split("001A", "([A-Z])");
data[0] -> "001"
data[1] -> "A"

Answer 2

Match match = Regex.Match(s, @"^(\d+)(.+)$");
string numeral = match.Groups[1].Value;
string tail = match.Groups[2].Value;