linux - Grep two words followed by a alphabetic character -


How can I make both "HD" and "SD" after any alphabetical character in an order?

Example: * = Alphabetical characters 

  dmesg | Grep hd * dmesg | Grep sd *

using the -E option For grep : 

  dmesg | Grep -E 'HD * | Sd * '

For your specific example, you do not even need to type the -E option: 

  Dmesg | Grep '[HS] D *'

will suffice.


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