Grep: Print only the words of the line that matched the regular expression, one per line

grep -oh "\w*$YOUR_PATTERN\w*" *

We used the following parameters on our command:

-h, –no-filename : Suppress the prefixing of file names on output. This is the default when there is only  one  file  (or only standard input) to search.
-o, –only-matching : Print  only  the matched (non-empty) parts of a matching line,  with each such part on a separate output line.

Also, we wrapped out pattern with the \w* that matches  all word-constituent characters on either side. The * character states that it should find 0 or more of those characters in the pattern to match.

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