Extract numeric values from a string

extract_numeric.py

def extract_integers(string):
    extracted_ints = [int(s) for s in string.split() if s.isdigit()]

    return extracted_ints

def extract_floats(string):
    floats = []
    for s in string.split():
        try:
            extracted_floats.append(float(s))
        except ValueError:
            pass

    return extracted_floats