discard lines containing specific characters
116985
grep for all the lines that doest not have a particular word
23471
How can I delete all characters falling under /* .... */ including /* & */?
56403
Is there a way to delete the first character from a text file once it is read?
110892
Output negative values, regardless of original sign, on selected lines
70955
Reduce number of consecutive lines with hyphenation
10174
How to delete duplicate lines in a file without sorting it in Unix?
4497
Delete specific line number(s) from a text file using sed?
27633
Delete all lines in Notepad++ except lines containing a word I need?
5460
How do I replace characters only on certain lines?
138004
How can I use awk to (sometimes) remove the first character of a column?
32927
Remove specific characters from a string in Python
107363
Delete line starting with a word in Javascript using regex
57440
How do I delete the first n lines of an ascii file using shell commands?
66950
Remove characters except digits from string using Python?
54240
How to make `column -t` ignore lines with specific characteristics?
107683
Delete columns in text files with specific string
105573
Filter file by line number