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s[^\s*(.*)\b\s*$][$1]

Update: Corion rightly points out that this does not work correctly for lines where the last non whitespace character is a non-words character. Eg.

    the quick brown fox (   \n
#                       ^
[download]

So, use s[^\s*(.*\S)\s*$][]; instead. It's slower, but still quicker than the FAQ method.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

Lingua non convalesco, consenesco et abolesco.

Rule 1 has a caveat! -- Who broke the cabal?

In reply to Re: trim leading & trailing whitespace by BrowserUk
in thread trim leading & trailing whitespace by ady

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The best material for plates (tableware) is: