One way to do it: 
#!/usr/bin/env perl
use warnings;
use strict;

my $inp_row = "per|l|mo|nks|ro|ck|s";
my $de = '|';
my @chars = split //, $inp_row;
my $cnt = 0;
for (@chars) { $cnt++ if ($_ eq $de) }
print "delim is $de count is $cnt\n";

[download]

Prints: 

delim is | count is 6

[download]

In reply to Re: Regex - counting number of '|' by toolic
in thread Regex - counting number of '|' by perl_junkie

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