Regular Express | Clipmarks


	Regular Express

rleon

10-30-2007 4:39 AM

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tags:

regular express

rleon says:

some predefined special sequences in Regular Express

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/876e20a7-6ca0-4b33-88dd-a93810eb69c9/D8AB2344-3947-4266-B476-2730F9B42484/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.amk.ca/python/howto/regex/regex.html" href="http://www.amk.ca/python/howto/regex/regex.html" style="font-size: 11px;">www.amk.ca</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.amk.ca/python/howto/regex/regex.html"><DL compact="">
<DT><CODE>\d</CODE></DT>
<DD>Matches any decimal digit; this is
equivalent to the class <TT class="regexp">[0-9]</TT>.
<P>
</P></DD><DT><CODE>\D</CODE></DT>
<DD>Matches any non-digit character; this is
equivalent to the class <CODE>[^0-9]</CODE>.
<P>
</P></DD><DT><CODE>\s</CODE></DT>
<DD>Matches any whitespace character; this is
equivalent to the class <TT class="regexp">[ \t\n\r\f\v]</TT>.
<P>
</P></DD><DT><CODE>\S</CODE></DT>
<DD>Matches any non-whitespace character; this is
equivalent to the class <CODE>[^ \t\n\r\f\v]</CODE>.
<P>
</P></DD><DT><CODE>\w</CODE></DT>
<DD>Matches any alphanumeric character; this is equivalent to the class
<TT class="regexp">[a-zA-Z0-9_]</TT>.  
<P>
</P></DD><DT><CODE>\W</CODE></DT>
<DD>Matches any non-alphanumeric character; this is equivalent to the class
<CODE>[^a-zA-Z0-9_]</CODE>.   
</DD>
</DL></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/D8AB2344-3947-4266-B476-2730F9B42484/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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