In this article, we’re going to show you how to use GNU grep to search for multiple strings or patterns. Sorry, the video player failed to load.(Error Code: 101102) Grep Multiple Patterns GNU grep supports three regular expression syntaxes, Basic, Extended, and Perl-compatible. When no...
By using thegrepcommand, you can customize how the tool searches for a pattern or multiple patterns in this case. You can grep multiple strings in different files and directories. The tool prints all lines that contain the words you specify as a search pattern. In this guide, we will show...
grep provides a lot of features to match strings, patterns or regex in a given text. One of the most used feature is to match two or more, multiple string, patterns or regex. In this tutorial we will look different examples about these features. If you need more general tutorial about r...
Utilization of “Grep” in Multiple Strings and Patterns To utilize this method in the Linux operating system, we create a text file first on the desktop with the “file.txt” name and then save the statement data in the file to search the string in it. We store the data in this text...
3Find multiple strings 4Difference between grep, egrep fgrep, pgrep, zgrep 5Difference between find and grep 6Search recursively 7Catch space or tab 8Using regular expressions 9Grep gz files without unzipping 10Grep email addresses from a zip file ...
(Search Strings Case-Insensitive) By default grep searches case sensitive which means upper and lower case chars are interpreted as different. If we are looking for ahostnamein a file it is not important uppercase and lowercase so we will turn off case sensitivity for grep. We will provide-...
Note:For more details, refer to thegrep multiple strings and patternsexamples. Grouping Regular expressions allow grouping patterns into one item. Place the group in escaped parenthesis for regular regex, or use extended. For example, search for the stringbashrcand make therccharacters optional: ...
grepWith Multiple Strings To use multiple phrases, separated by newlines, to capture relevant matches in a file or text stream from a program, you can use the-F/--fixed-stringsto specify them. You can pass in a string shown below instead for a small number of matches, with a dollar sig...
-e PATTERN, --regexp=PATTERN Use PATTERN as the pattern. This can be used to specifymultiple search patterns, or toprotecta patternbeginning with a hyphen(-). (-e is specified by POSIX.) -f FILE, --file=FILE Obtain patterns from FILE, one per line. The empty file contains zero patte...
The last part of the grep call takes the path to the file you wish to search; in this case, the script to the 2007 Bee film. grep Tips and Tricks This is a great start, but there arelots of practical ways to use grep. Now that you know how to find multiple strings, here are a...