ANSI:
erstes Zeichen '_', ':', 'A'..'Z', 'a'..'z', 'À'..'Ö', 'Ø'..'ö'
folgende Zeichen '_', ':', 'A'..'Z', 'a'..'z', 'À'..'Ö', 'Ø'..'ö', '-', '.', '0'..'9', '·'
Unicode:
erstes Zeichen '_', ':', 'A'..'Z', 'a'..'z', #$00C0..#$00D6, #$00D8..#$00F6, #$00F8..#$02FF,
#$0370..#$037D, #$037F..#$1FFF, #$200C..#$200D, #$2070..#$218F, #$2C00..#$2FEF,
#$3001..#$D7FF, #$F900..#$FDCF, #$FDF0..#$FFFD
folgende Zeichen '_', ':', 'A'..'Z', 'a'..'z', #$00C0..#$00D6, #$00D8..#$00F6, #$00F8..#$02FF,
#$0370..#$037D, #$037F..#$1FFF, #$200C..#$200D, #$2070..#$218F, #$2C00..#$2FEF,
#$3001..#$D7FF, #$F900..#$FDCF, #$FDF0..#$FFFD,
'-', '.', '0'..'9', #$00B7, #$0300..#$036F, #$203F..#$2040