Or 
use 5.040;
try { .... } catch { return undef }

[download]
In 5.34 to 5.48, it's experimental and requires suppressing experimental warnings; using finally remains experimental; see https://perldoc.perl.org/perlsyn#Try-Catch-Exception-Handling.

In reply to Re^2: Catching error in DateTime::Format by ysth
in thread Catching error in DateTime::Format by Anonymous Monk

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