Grep match string. com$' text_file (remember that .

Grep match string. It is a powerful tool for searching and analyzing large amounts of text data quickly and efficiently Dec 27, 2010 · You can do it using -v (for --invert-match) option of grep as: grep -v "unwanted_word" file | grep XXXXXXXX grep -v "unwanted_word" file will filter the lines that have the unwanted_word and grep XXXXXXXX will list only lines with pattern XXXXXXXX. grep is a command-line utility that searches for a specific text string in one or more files. Feb 28, 2017 · Your second command is nearly right, but there are two issues: the quotes are parsed out by bash and grep doesn't see them; and the wild-card * is different between grep and bash: the * in bash is equivalent to . y-z. . I'd like find lines in files with an occurrence of some pattern and an absence of some other pattern. com$' text_file (remember that . com text_file Jan 1, 2024 · 20 most used grep command examples in linux. y. Sep 16, 2025 · Learn how to use grep with regular expressions to search, filter, and process text in Linux and Unix systems. w9 bzfq 6iby zgxtdzft mgo yrb r5lq djcsz tw0d khiqim