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A comment on Ftfy – fix Unicode that's broken in various ways. Parent comment

Re:Ftfy – fix Unicode that's broken in various ways by LittlePeter on Wednesday January 10, 2018 @12:17PM (#16116763)
Note that when using GNU grep (version 2.25) you have to use -P flag for Perl compatible regular expressions. E.g.:

echo "lörem ipsum" | grep -P "[^ -~]" --color

and not

echo "lörem ipsum" | grep "[^ -~]" --color

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