pos is not a read-only function, you can actually assign to it. However, that won't help you much, as you're matching <0>, and that only occurs once in the string.

As for you example, it can be written as: 

    $x =~ /(<0>)/$1<1><2><3>/

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In reply to Re: How to start regexp from a X position by JavaFan
in thread How to start regexp from a X position by pkt

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