/^[\w]+/ *** Failers No match �cole No match /^[\w]+/Lfrench �cole 0: �cole /^[\w]+/ *** Failers No match �cole No match /^[\W]+/ �cole 0: \xc9 /^[\W]+/Lfrench *** Failers 0: *** �cole No match /[\b]/ \b 0: \x08 *** Failers No match a No match /[\b]/Lfrench \b 0: \x08 *** Failers No match a No match /^\w+/ *** Failers No match �cole No match /^\w+/Lfrench �cole 0: �cole /(.+)\b(.+)/ �cole 0: \xc9cole 1: \xc9 2: cole /(.+)\b(.+)/Lfrench *** Failers 0: *** Failers 1: *** 2: Failers �cole No match /�cole/i �cole 0: \xc9cole *** Failers No match �cole No match /�cole/iLfrench �cole 0: �cole �cole 0: �cole /\w/IS Capturing subpattern count = 0 No options No first char No need char Subject length lower bound = 1 Starting chars: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z /\w/ISLfrench Capturing subpattern count = 0 No options No first char No need char Subject length lower bound = 1 Starting chars: 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � /^[\xc8-\xc9]/iLfrench �cole 0: � �cole 0: � /^[\xc8-\xc9]/Lfrench �cole 0: � *** Failers No match �cole No match /\W+/Lfrench >>>\xaa<<< 0: >>> >>>\xba<<< 0: >>> /[\W]+/Lfrench >>>\xaa<<< 0: >>> >>>\xba<<< 0: >>> /[^[:alpha:]]+/Lfrench >>>\xaa<<< 0: >>> >>>\xba<<< 0: >>> /\w+/Lfrench >>>\xaa<<< 0: � >>>\xba<<< 0: � /[\w]+/Lfrench >>>\xaa<<< 0: � >>>\xba<<< 0: � /[[:alpha:]]+/Lfrench >>>\xaa<<< 0: � >>>\xba<<< 0: � /[[:alpha:]][[:lower:]][[:upper:]]/DZLfrench ------------------------------------------------------------------ Bra [A-Za-z\x83\x8a\x8c\x8e\x9a\x9c\x9e\x9f\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\xff] [a-z\x83\x9a\x9c\x9e\xaa\xb5\xba\xdf-\xf6\xf8-\xff] [A-Z\x8a\x8c\x8e\x9f\xc0-\xd6\xd8-\xde] Ket End ------------------------------------------------------------------ Capturing subpattern count = 0 No options No first char No need char / End of testinput3 /