query: How To Remove Lines Not Containing A Word
positive_passages.docid: 1177
positive_passages.text: Regular expression to match a line that doesn't contain a word
negative_passages.docid: 101221
negative_passages.text: How do I remove all non alphanumeric characters from a string except dash?
negative_passages.docid: 20911
negative_passages.text: Grep word boundaries
negative_passages.docid: 72284
negative_passages.text: How to strip a listing of all (line and block) comments without leaving white space?
negative_passages.docid: 14398
negative_passages.text: How to grep-inverse-match and exclude "before" and "after" lines
negative_passages.docid: 6103
negative_passages.text: Automatic line breaking of long lines of text?
negative_passages.docid: 70955
negative_passages.text: Reduce number of consecutive lines with hyphenation
negative_passages.docid: 101842
negative_passages.text: How to find line with least characters
negative_passages.docid: 127478
negative_passages.text: Remove multiple whitespaces
negative_passages.docid: 71004
negative_passages.text: Removing empty lines in Notepad++
negative_passages.docid: 107461
negative_passages.text: How to remove the superfluous empty line before the list environment?
negative_passages.docid: 106221
negative_passages.text: Remove extra header lines from file, except for the first line
negative_passages.docid: 75453
negative_passages.text: How do I remove newline character from lines preceding a particular pattern?
negative_passages.docid: 145746
negative_passages.text: Remove everything except letters from PHP string
negative_passages.docid: 36913
negative_passages.text: How to remove lines included in one file from another file?
negative_passages.docid: 156421
negative_passages.text: Remove small words using Python
negative_passages.docid: 42597
negative_passages.text: Search and replace strings that are not substrings of other strings