use feature "unicode_strings" (>=v5.14) may help with that: 

use feature "unicode_strings";

my $name = "foo\xa0x\xa03";

$name =~ s/\sx\s\d+//;

say $name;   # "foo"

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In reply to Re: \s and non-breaking spaces by Eliya
in thread \s and non-breaking spaces by Ratazong

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