lexer.py 文件源码

def flags(key):
    flag = 0
    if 'a' in key:
        flag += re.ASCII
    if 'i' in key:
        flag += re.IGNORECASE
    if 'l' in key:
        flag += re.LOCALE
    if 'm' in key:
        flag += re.MULTILINE
    if 's' in key:
        flag += re.DOTALL
    if 'x' in key:
        flag += re.VERBOSE
    return flag