Or, using m// instead of tr and the infamous =()= operator. 
my $inp_row="per|l|mo|nks|ro|ck|s";
my $de = "|";
my $count =()= $inp_row =~ m/\Q$de/g;
print "Delimeter is '$de', count is $count\n";
#Output:
#Delimeter is '|', count is 6

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

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