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$a=~ s/^aa$/ee/

Do a bit research what ^ and $ mean in the context of a regular expression. Then it will become clear why your replacement won't work.

Happy learning! Rata

PS.: a good start is here: planetscapes collection


In reply to Re: not able to replace the element in the middle of the string by Ratazong
in thread not able to replace the element in the middle of the string by lakshmikant

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