grep -w uses punctuations and whitespaces as delimiters.
How can I set grep to only use whitespaces as a delimiter for a word?
grep -w uses punctuations and whitespaces as delimiters. How can I set grep to
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grep -w uses punctuations and whitespaces as delimiters.
How can I set grep to only use whitespaces as a delimiter for a word?
If you want to match just spaces:
grep -w foois the same asgrep " foo ". If you also want to match line endings or tabs you can start doing things like:grep '\(^\| \)foo\($\| \)', but you’re probably better off withperl -ne 'print if /\sfoo\s/'