Code: Alles auswählen

import re

lines = ['0.0001 0.002 0.0004', 'bla blub abc', '13  81 234', 'xyz']

pattern = re.compile('[a-z]')

for line in lines:
    if not pattern.search(line):
        print line        

Code: Alles auswählen

In [8]: a = 0.00001

In [9]: b = 0.00002

In [10]: threshold = 10**-4

In [11]: abs(a-b) < threshold
Out[11]: True

Code: Alles auswählen

file_list = [f.strip() for f in string_of_files.split(';') if f.strip()]