The others already gave regexes. But how about this split approach:
while (my $line = <SESAME>){
my ($tempa, $value, $tempb)= split m#</?CS_REFCLT>#, $line, 3;
}
Update: Thanks to jdporter for telling me about my mistake, using 2 instead of 3 above. Fixed...
Of course this will also find other constructs like </CS_REFCLT>dfasdf</CS_REFCLT>.
But maybe, if the data is XML, a real XML parser like XML::Twig is something that would help you best here...
#!/usr/bin/perl
use strict;
use warnings;
use XML::Twig;
my $twig= new XML::Twig(
twig_handlers => {
CS_REFCLT => \&cs_refclt,
},
);
my @numbers;
$twig->parsefile( 'filename' );
# here you will have all numbers in @numbers.
sub cs_refclt {
my ($t, $elt)= @_;
push @numbers, $elt->text();
}
s$$([},&%#}/&/]+}%&{})*;#$&&s&&$^X.($'^"%]=\&(|?*{%
+.+=%;.#_}\&"^"-+%*).}%:##%}={~=~:.")&e&&s""`$''`"e
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