import re
currencies = ['$', '£', '€']
key_characters = ''.join(currencies)
price_re = re.compile(r'[{}]\s?\d{{1,3}}(?:[.,]\d{{3}})*(?:[.,]\d{{1,2}})?'.format(key_characters))
for m in price_re.findall(r'$13344,34, £3424, €7777'):
print(m)
aW1wb3J0IHJlCmN1cnJlbmNpZXMgPSBbJyQnLCAnwqMnLCAn4oKsJ10Ka2V5X2NoYXJhY3RlcnMgPSAnJy5qb2luKGN1cnJlbmNpZXMpCnByaWNlX3JlID0gcmUuY29tcGlsZShyJ1t7fV1ccz9cZHt7MSwzfX0oPzpbLixdXGR7ezN9fSkqKD86Wy4sXVxke3sxLDJ9fSk/Jy5mb3JtYXQoa2V5X2NoYXJhY3RlcnMpKQpmb3IgbSBpbiBwcmljZV9yZS5maW5kYWxsKHInJDEzMzQ0LDM0LCDCozM0MjQsIOKCrDc3NzcnKToKICAgIHByaW50KG0p