I did a grep with that pattern
Did you do a grep -P? Normal grep doesn't support Perl regular expressions. Neither does it with -E.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^5: Display filenames in mbox folder by choroba
in thread Display filenames in mbox folder by peterr

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