How Do You Grep a Word in Linux?

How do you grep a word in a line?

The syntax is:

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.

How do I search for a specific word in a file in Linux?

How to Find a Specific Word in a File on Linux

1. grep -Rw ‘/path/to/search/’ -e ‘pattern’
2. grep –exclude=*.csv -Rw ‘/path/to/search’ -e ‘pattern’
3. grep –exclude-dir={dir1,dir2,*_old} -Rw ‘/path/to/search’ -e ‘pattern’
4. find . – name “*.php” -exec grep “pattern” {} ;