If you think a bit about what variable length look behind means for backtracking, you may realize why it's not in Perl right now.

If you really want variable length look behind and only need fixed length look ahead, reverse your string and adapt your regex accordingly.

Liz

In reply to Re: Why do zero width assertions care about lookahead/behind? by liz
in thread Why do zero width assertions care about lookahead/behind? by davido

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