$text =~ s/(<td>)((?:(?!<td>).)*)3((?:(?!<\/td>).)*)/<td>$1$2a$3/;

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Yes! Thank you! It is what I wanted so much :) *I corrected your code a bit, and it seems to work well*

In reply to Re^2: regex: something...(!something)...something by aaaone
in thread regex: something...(!something)...something by aaaone

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