Hello nysus, glad you found your own answer!

For the record, \b{wb} is documented under perlrebackslash#Assertions.

Hope that helps (someone),

Update: I see you already linked to that in your OP. Sorry for the noise. :-(

Athanasius <°(((>< contra mundum Iustus alius egestas vitae, eros Piratica,

In reply to Re^2: What does \b{wb} in a regex do? by Athanasius
in thread What does \b{wb} in a regex do? by nysus

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