TODO…
Regular Expressions
|
^ |
Matches at the beginning of string |
|
$ |
Matches at the end of string |
|
. |
Matches for a single character |
|
* |
Matches for zero or more of preceding character |
|
+ |
Matches for one or more of preceding character |
|
? |
Matches for zero or one of preceding character |
|
[ABC] |
Matches for any one character in the set of characters, i.e., A, B, or C |
|
[^ABC] |
Matches character not in the set of characters, i.e., A, B, or C |
|
[A-Z] |
Matches for any character in the range from A to Z |
|
A|B |
Matches either A or B |
|
(AB)+ |
Matches one or more sets of AB |
..From Linux Shells by Example by Ellie Quigly
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Resources
Linux Shells by Example by Ellie Quigly
# man grep
# man regex
