Thank you, but does this incorporate both $nee1 and $nee2 in this case where there are 2 sequences to search for?

You said:

$nee1 = AGGA
$nee2 = CGCCAC
#What I want is the following in regular expression: 

$hay =~ /($nee1)T[ATGC]($nee2)/

[download]

I used:

my $nee = 'AGGATACGCCAC';
## $nee1   ^^^^
## T?          ^^
## $nee2         ^^^^^^

[download]

What do you think the answer to your question is?

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In reply to Re^17: Comparing 2 different-sized strings by BrowserUk
in thread Comparing 2 different-sized strings by AdrianJ217

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