PCRE version 3.9 02-Jan-2002 /^[\w]+/ *** Failers No match École No match /^[\w]+/Lfr École 0: École /^[\w]+/ *** Failers No match École No match /^[\W]+/ École 0: \xc9 /^[\W]+/Lfr *** Failers 0: *** École No match /[\b]/ \b 0: \x08 *** Failers No match a No match /[\b]/Lfr \b 0: \x08 *** Failers No match a No match /^\w+/ *** Failers No match École No match /^\w+/Lfr École 0: École /(.+)\b(.+)/ École 0: \xc9cole 1: \xc9 2: cole /(.+)\b(.+)/Lfr *** Failers 0: *** Failers 1: *** 2: Failers École No match /École/i École 0: \xc9cole *** Failers No match école No match /École/iLfr École 0: École école 0: école /\w/IS Capturing subpattern count = 0 No options No first char No need char Starting character set: 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/ISLfr Capturing subpattern count = 0 No options No first char No need char Starting character set: 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 À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ø ù ú û ü ý þ ÿ /^[\xc8-\xc9]/iLfr École 0: É école 0: é /^[\xc8-\xc9]/Lfr École 0: É *** Failers No match école No match / End of testinput4 /