Re^2: On zero-width negative lookahead assertions

by bronto (Priest)

on Sep 10, 2004 at 14:21 UTC ( [id://390081]=note: print w/replies, xml )

Need Help??

@ and . must be backslashed

Backslashed: still matches too much

your \s* allows the regexp to match when \s* matches empty string

I know it, I expressely want to match 0 or more spaces before line end

Ciao!
--bronto

In theory, there is no difference between theory and practice. In practice, there is.

Comment on Re^2: On zero-width negative lookahead assertions

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Re^3: On zero-width negative lookahead assertions by ccn (Vicar) on Sep 10, 2004 at 14:29 UTC
Note the difference: `perl -ne '/^root:(?!\s*admin\@somewhere\.here)/ and print' alliases`	[reply] [d/l]

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