- state $BY = qr{ (?: -? b[yu] )? \Z }ix;
- s{^ si (?:ge?n|n?g) (?:e?[dt])? -? (?:of+)? $BY}{Signed-off-by}ix;
- s{^ ack (?:ed|de)? $BY}{Acked-by}ix;
- s{^ review (?:e?d)? $BY}{Reviewed-by}ix;
- s{^ teste[dt] $BY}{Tested-by}ix;
+ state $BY = qr{ (?: -? b[yu] )? \Z }imsx;
+ s{\A si (?:ge?n|n?g) (?:e?[dt])? -? (?:of+)? $BY}{Signed-off-by}imsx;
+ s{\A ack (?:ed|de)? $BY}{Acked-by}imsx;
+ s{\A review (?:e?d)? $BY}{Reviewed-by}imsx;
+ s{\A teste[dt] $BY}{Tested-by}imsx;