edfixed grep command "Regex with or without a certain character"

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bonnie 2022-05-09 00:18:05 +08:00
parent c70067d38f
commit a59c8598b0

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@ -413,7 +413,7 @@ grep 'A.B'
##### Regex with or without a certain character (e.g. color or colour) ##### Regex with or without a certain character (e.g. color or colour)
```bash ```bash
grep 'colou?r' grep 'colou\?r'
``` ```
##### Grep all content of a fileA from fileB ##### Grep all content of a fileA from fileB