[issue43900] string comprehension

Raymond Hettinger added the comment: Please take this to the python-ideas mailing list: https://mail.python.org/mailman3/lists/python-ideas.python.org/ If the idea gains traction, it would likely require a PEP and then this issue can be reopened. -- nosy: +rhettinger resolution:

[issue43900] string comprehension

Zachary Ware added the comment: filtered_s = ''.join(c for c in s if c in string.ascii_lowercase) -- nosy: +zach.ware ___ Python tracker ___

[issue43900] string comprehension

New submission from David Alvarez Lombardi : As of now the best way to filter a str is to convert to list, filter, then join back to a str. I think a a string comprehension would be very useful for this. So to get only ascii_lower case chars given this string, s = "a1b2c3d4" I