from bs4 import BeautifulSoup
import re
html_doc = """
<nobr><br/><a href="down.php?id=555"><b>2,55 tlm</b></a></nobr>
<nobr>1895.35 MB<br/><a href="down.php?id=555"><b>2,55 tlm</b></a></nobr>
<bobr>1895.35 MB<br/><a href="down.php?id=555"><b>2,55 tlm</b></a></bobr>
<nobr><br/><a href="down.php?id=555"><b>2,56 tlm</b></a></nobr>
<nobr>1896.36 GB<br/><a href="down.php?id=555"><b>2,57 tlm</b></a></nobr>
<nobr>1896.36 MB<br/><a href="down.php?id=556"><b>2,58 tlm</b></a></nobr>
<br>1896.36 MB<br/><a href="down.php?id=556"><b>2,58 tlm</b></a></br>
"""
tbl = BeautifulSoup(html_doc, 'lxml')
tmpt = re.compile("\d*.\d\d\s+MB")
for nobr in tbl.find_all('nobr'):
result = re.search(tmpt, str(nobr))
if result: print(result.group(0))
from bs4 import BeautifulSoup
import re
html_doc = """
<nobr><br/><a href="down.php?id=555"><b>2,55 tlm</b></a></nobr>
<nobr>1895.35 MB<br/><a href="down.php?id=555"><b>2,55 tlm</b></a></nobr>
<nobr><br/><a href="down.php?id=555"><b>2,56 tlm</b></a></nobr>
<nobr>1896.36 GB<br/><a href="down.php?id=555"><b>2,57 tlm</b></a></nobr>
<nobr>1896.36 MB<br/><a href="down.php?id=556"><b>2,58 tlm</b></a></nobr>
"""
tbl = BeautifulSoup(html_doc, 'lxml')
for nobr in tbl.find_all( text=re.compile("\d*.\d\d\s+MB")):
print(nobr)
геометрии картинки: диагонали, площади, ширине, высоте, дпи
на ваш выбор. Думайте сами.