Answer by muru for What grep pattern allows to print only one-word lines?
To print lines containing only (and at least one) non-whitespace characters, use one of:grep -x '[^[:space:]]\+'grep -Ex '[^[:space:]]+'Or with PCRE patterns:grep -Px '\S+'The POSIX character class...
View ArticleAnswer by Raffa for What grep pattern allows to print only one-word lines?
Without punctuationgrep -E '^\w*[[:alpha:]]\w*$' file... that will only match possible (zero or more *) word characters \w (alphabetical, numerical and underscore) that span the whole line ^...$...
View ArticleWhat grep pattern allows to print only one-word lines?
I want to print the lines with only one no-spaces subsequences of characters while use grep on the text.title after grepping should to print titlethe sentence after grepping should not print anything
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