Question

I have a string of numbers, like “4 2 6 7”, and a variable i which is an integer. How can I decide if i is included in the string? The code is in perl…

Answer 1

Use this function:

my $string = "4 2 6 7";
my $i = 4;
if ( $string =~ /\b$i\b/ ) {
    print "$string contains $i\n";
}