Penguin
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How do I grep for special characters such as tab??

In bash, ^v means insert the next character literally, instead of interpreting it.

So for example:

  • grep "blabala<now hold down control and press v. DONT type it><now press the character you want to insert literally>blabla"

lib/main.php:944: Notice: PageInfo: Cannot find action page

lib/main.php:839: Notice: PageInfo: Unknown action