def lastDigitRegExp(inputString):
    inputString = inputString[::-1]
    p = r'(\d)'
    l = re.findall(p, inputString)
    return l[0][0]
    


dbc0eb4dba6b054457c62ae71e44dcef628d643d
<mask token>

def lastDigitRegExp(inputString):
    inputString = inputString[::-1]
    p = '(\\d)'
    l = re.findall(p, inputString)
    return l[0][0]

def lastDigitRegExp(inputString):
    inputString = inputString[::-1]
    p = r'(\d)'
    l = re.findall(p, inputString)
    return l[0][0]
    

