anonymous
  • anonymous
http://ideone.com/Pru2y I need help with a function that cuts off whitespace surrounding newline characters in strings. I've already got it working in Python but I know I can improve it. Funny thing is that on ideone, I have to subtract 1 from the 'newline' variable to get it working right whereas on my Python implementation (2.7.2) it works correctly without that line.
Computer Science
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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rsmith6559
  • rsmith6559
Have you looked at/studied regular expressions?
anonymous
  • anonymous
If you do not know regex, It may be simpler to use built-in functions: def trimspaces(s): nl = '\n' ss = s.split(nl) ssr = [] for x in ss: ssr.append(x.strip()) return nl.join(ssr) if you know list comprehensions, it is one-liner return '\n'.join([ x.strip() for x in s.split('\n')])
anonymous
  • anonymous
I knew there was something built-in that would do the trick.... in 1 line! thanks python has a regex library.... but I don't even know what a regex is :(

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rsmith6559
  • rsmith6559
Regular Expressions are a pattern matching grammar. They're the basis of Perl. Not the easiest things to learn, but extremely powerful. I use them every day to filter log files and do various tasks. Definitely worth the effort of learning.

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