Franz Steinhaeusler wrote:
> Hello, I need a regularexpression, which trims trailing whitespaces.
>
> While with unix line endings, it works;
> but not with Window (Dos) CRLF's:
>
>>>> import re
>>>> retrailingwhitespace = re.compile('(?<=\S)[ \t]+$', re.MULTILINE)
>
> 1) Windows
>>>> r="erewr \r\nafjdskl "
>>>> newtext, n = retrailingwhitespace.subn('', r)
>>>> n
> 1
>>>> newtext
> 'erewr \r\nafjdskl'
>
> 2) Unix
>>>> r="erewr \nafjdskl "
>>>> newtext, n = retrailingwhitespace.subn('', r)
>>>> n
> 2
>>>> newtext
> 'erewr\nafjdskl'
>
> Who can help me (regular expression, which works for both cases).
>
> Thank you in advance!
why not use string methods strip, rstrip and lstrip
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