in reply to Re^2: Noob Question - not sure what's wrong
in thread Noob Question - not sure what's wrong
That matches "SB00\n" and you said it shouldn't. Replace /$/ with /\z/ to get the stated desired behaviour.
\d can match more than 0-9. I presume you don't want to match arab digits.
That uses needless captures. Get rid of them.
should bem/^(SB)(\d{1,2})$/i
m/^SB[0-9]{1,2}\z/i
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