Some Perl Special Variables Some Regular Expression Special Variables 23 of 28 : [PREV] [NEXT]

$` ($PREMATCH)

  • The string preceding whatever was matched by the last successful pattern match.

$& ($MATCH)

  • The string matched by the last successful pattern match.

$' ($POSTMATCH)

  • The string following whatever was matched by the last successful pattern match.
  $_ = "AlphaBetaGamma";
  /Beta/;
  print "Prematch  = $`\n";   # Alpha
  print "Match     = $&\n";   # Beta
  print "Postmatch = $'\n";   # Gamma
© 2004 Barbie barbie@missbarbell.co.uk Home http://birmingham.pm.org/