in reply to Re^2: how to find what's not there with a regex?
in thread how to find what's not there with a regex?

How do I say 'anything including spaces up to the first occurrence of more than one space in a row'?
A literal translation (untested) would be /(?>.*?(?=  ))/s.

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Re^4: how to find what's not there with a regex?
by ikegami (Patriarch) on Aug 24, 2005 at 14:54 UTC
    Here's an alternative, in case yours doesn't work: 
    # Read these comments from the bottom up.
/
   (
      (?:
         (?! \s{2} )  #    which aren't the start of 2 spaces.
         .            #    characters
      )*              # zero or more
   )                  # Capture
/sx

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