path:
      -path:
      repo:
      -repo:
      max_matches:
    path: | 
      Only include results from matching files. | example | 
-path: | 
      Exclude results from matching files. | example | 
repo: | 
      Only include results from matching repositories. | example | 
-repo: | 
      Exclude results from matching repositories. | example | 
max_matches: | 
      Adjust the limit on number of matching lines returned. | example | 
(special-term:) | 
      Escape one of the above terms by wrapping it in parentheses (with regex enabled). | example | 
See the RE2 documentation for a complete listing of supported regex syntax.
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