def _parse_format(text):
"""Parse stuff like format 6,5x9 cm"""
format_pattern = re.compile(r"""
(format)\s
(?P<a>[\d,\.]+?) # Digits, comma or dot, captured as group
x # x
(?P<b>[\d,\.]+?) # Same
\s?cm # Whitespace, cm
""", re.X)
match = re.search(format_pattern, text)
if match:
new_value = commonprocessors._pattern_to_size(match).strip()
return new_value
else:
return None
