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\s Matches any whitespace character; whitespace characters are the single space (ASCII
32), the tab (ASCII 9), the newline (ASCII 10), and the carriage return (ASCII 13).
\D Any non-digit (\d) character.
\W Any non-word (\w) character.
\S Any non-whitespace (\s) character.
. Any character but carriage return (\r) or newline (\n). With the s option in the EReg
constructor also allows to match \r and \n. The pattern j..n means any sequence that
contains a ???j??? followed by any two characters and followed by an ???n???; so that ???john???
and ???jean??? match the pattern but not ???jane.???
Chapter 8: Cross Platform Tools
217
trace(re.match(???0F??™)); // true
trace(re.match(???0g??™)); // false
}
}
Character sets avoid repeating the same definition many times. In this case, a sequence corresponding
to a numerical expression for a date is used as expression. The \W represents any non - alphanumeric
character.
class Main
{
public static function main()
{
var re = ~/\d{4}\W\d{2}\W\d{2}/;
trace(re.


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