28 |
grep -e '\(a\)\1' -e '\(b\)\1' |
grep -e '\(a\)\1' -e '\(b\)\1' |
29 |
The last backref \1 in the second expression refer to \(b\) |
The last backref \1 in the second expression refer to \(b\) |
30 |
|
|
31 |
- The new option --include=PATTERN will only search matching files |
- The new option --include=PATTERN will search only matching files |
32 |
when recursing in directories |
when recursing in directories |
33 |
|
|
34 |
- The new option --exclude=PATTERN will skip matching files when |
- The new option --exclude=PATTERN will skip matching files when |