ter's property. If you can find an alternative pattern that does not use
character properties, it will probably be faster.
</P>
<P>
By default, the escape sequences \b, \d, \s, and \w, and the POSIX
character classes such as [:alpha:] do not use Unicode properties, partly for
backwards compatibility, and partly for performance reasons. However, you can
set the PCRE2_UCP option or start the pattern with (*UCP) if you want Unicode
character properties to be used. This can double the matching time for items
su