Questions tagged [qr-operator]

This has been working for me in 5.8 and 5.10, but in 5.12 my code creates this weird non-qr object: # running "print Dumper($regex)" $VAR1 = bless( do{\(my $o = '')}, 'Regexp' ); Whereas printing a qr// not created by my code looks like this: #…

Is there an easy way to add regex modifiers such as 'i' to a quoted regular expression? For example: $pat = qr/F(o+)B(a+)r/; $newpat = $pat . 'i'; # This doesn't work The only way I can think of is to print "$pat\n" and get back…

I'm writing a tiny program that takes user input using Getops, and based on it, the program will either try to match a pattern against some text, or substitute text for what matched. The problem I'm having is that I can't get the substitution…

I'm having a hard time determining what characters must be escaped when using Perl's qr{} construct I'm attempting to create a multi-line precompiled regex for text that contains a myriad of normally escaped characters (#*.>:[]) and also contains…