From the perlunicode manpage

Named Unicode properties and block ranges make be used as character classes via the new "\p{}" (matches property) and "\P{}" (doesn't match property) constructs. For instance, "\p{Lu}" matches any character with the Unicode uppercase property, while "\p{M}" matches any mark character. Single letter properties may omit the brackets, so that can be written "\pM" also. Many predefined character classes are available, such as "\p{IsMirrored}" and "\p{InTibetan}".

There ya have it :)
HTH

_________
broquaint