#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from re import compile as re_compile, Pattern as REPattern, IGNORECASE as RE_IGNORECASE

class RE:

    KEY:REPattern = re_compile(r"^[a-z_][a-z0-9_]*$", RE_IGNORECASE)
    PARENT_DIRECTORY:REPattern = re_compile(r'^(.+)[\/\\][^\/\\]+[\/\\]*$')
    SLASHES:REPattern = re_compile(r'[\/\\]+')
    STRING_VARIABLES:REPattern = re_compile(r'\{([a-z_][a-z0-9_]*)\}', RE_IGNORECASE)