import random,re

WORDS = []

def _isASCII(s):
	for c in s:
		if ord(c) not in range(128):
			return False
	return True

def loadDict(name="words"):
	global WORDS
	with open("/usr/share/dict/"+name) as f:
		WORDS = [l.strip() for l in f if l.strip() and _isASCII(l.strip())]

def getWords(pattern=".*"):
	return list(filter(lambda x: (re.match(pattern,x) is not None),WORDS))