On 2009 Mar 14, at 19:01, Thomas Hartman wrote:
FWIW, the problem I was trying to solve was deleting single newlines but not strings of newlines in a document. Dead simple for pcre-regex with lookaround. But, I think, impossible with posix regex.
s/(^|[^\n])\n($|[^\n])/\1\2/g; POSIX regexen may be ugly, but they're capable. -- brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allb...@kf8nh.com system administrator [openafs,heimdal,too many hats] allb...@ece.cmu.edu electrical and computer engineering, carnegie mellon university KF8NH
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