How do I use grep to find two words?

How do I use grep to find two words?

How do I grep for multiple patterns?

1. Use single quotes in the pattern: grep ‘pattern*’ file1 file2.
2. Next use extended regular expressions: egrep ‘pattern1|pattern2’ *. py.
3. Finally, try on older Unix shells/oses: grep -e pattern1 -e pattern2 *. pl.
4. Another option to grep two strings: grep ‘word1\|word2’ input.

What are grep styles?

A GREP Style is a way to apply a character style to some text inside a paragraph, based on a GREP pattern. GREP, as we’ve discussed, is a way to describe a text pattern using codes. For example, you can write “all the words that start with a and end with e” with the code \

How to search multiple words, patterns with grep?

The grep command supports regular expression pattern. We can easily grep two words or string using the grep/egrep command on Linux and Unix-like systems. To search multiple patterns, use the following syntax: How do I grep for multiple patterns? Use single quotes in the pattern: grep ‘pattern*’ file1 file2

How can I search a file using grep?

By default, the grep command displays name of files containing the search pattern (as well as matched lines). This is quite logical, as that’s what expected of this tool. However, there might be cases wherein the requirement could be to get names of those files that do not contain the searched pattern.

Is there a way to print whole words with grep?

Grep allows you to find and print the results for whole words only. To search for the word phoenix in all files in the current directory, append –w to the grep command. This option only prints the lines with whole-word matches and the names of the files it found them in:

Where can I find the output of grep?

The output will return results from all files the grep command found in the /var/log/ directory and its subdirectories. In this tutorial, you learned how to use grep to search multiple words or string patterns in a file.