line feed), and so on
\w Any single alphanumeric character, including w\wc matches wacky and W3C but not How
the underscore could you?
\W Any single non-alphanumeric character jboy\Widest.com matches jboy@idest.com.
\d Any single numeric character 0??“9 y\dk matches Y2K.
\D Any single nonnumeric character \D2\D matches Y2K and H2O.
\s Any single whitespace character, including \smedia matches the media but not
space, nonbreaking space, tab, form feed, Macromedia.
or line feed
\S Any single non-whitespace character \Smedia matches media but not the media.
\t A tab character Matches any single tab character in the HTML
source.
\f Form feed Matches any single form-feed character in the
HTML source.
A form feed is a control character used to force a
page break when printing. Although unlikely, it
is possible for this character to appear in your
HTML document if you converted a print
document to HTML. Most browsers ignore the
form-feed character, but you might want to
search for and remove the form feed using the \f
regular expression. A form feed is more likely to
occur in a text document.
\n Line feed Matches any single line-feed character in the
HTML source.
\r Carriage return Matches any single carriage-return character in
the HTML source.
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