Product code looks like abcd2343, what to split by letters and numbers

Question

I have a list of product codes in a text file, on each like is the product code that looks like:

abcd2343 abw34324 abc3243-23A

Answer 1

def firstIntIndex(string):
    result = -1
    for k in range(0, len(string)):
        if (bool(re.match('\d', string[k]))):
            result = k
            break
    return result