regex

2020-02-12 22:30:25 +01:00 · 2020-02-12 22:30:25 +01:00 · 4ae3a36ad3
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+### Print only the captured group ([src](https://unix.stackexchange.com/a/13472/220566))
+
+Example with expression `key=value toast=pain hello=bonjour` 
+if you want to capture only what comes after `key=`, you can use : 
+`grep -oP 'key=\K\w+'`
+