[Python-ideas] More user-friendly version for string.translate()

[Chris Barker - NOAA Federal]

>>
>>>>> re.sub('[^0-9]', '', 'ab0c2m3g5')
>> '0235'
>>
>> Possibly because there's a lot of good Python builtins that allow you
>> to avoid the re module when *not* needed, it's easy to forget it in
>> the cases where it does pretty much exactly what you want,

There is a LOT of overhead to figuring out how to use the re module.
I've always though t it had it's place, but it sure seems like
overkill for something this seemingly simple.

If (a big if) removing "all but these" was a common use case, it would
be nice to have a way to do it with string methods.

This is a classic case of:

Put it on PyPi, and see how much interest it garners.

-CHB