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	regex searching

VernonK

4-14-2008 3:47 PM

179 views

tags:

regex

VernonK says:

Just a quick list to help me remember command prompts for a regular expression

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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://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/f6aeb1f1-7fbc-4040-9f14-3606cf547c46/32361B12-F653-42BE-B885-A6526A0C4064/" 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.lugaru.com/man/regex-search.html" href="http://www.lugaru.com/man/regex-search.html" style="font-size: 11px;">www.lugaru.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.lugaru.com/man/regex-search.html"><H3>regex-search</H3>
<A name="index1238"></A><A name="indexregex-search"></A><A name="regex-search"></A><TABLE width="100%" cellspacing="0" cellpadding="0"><TBODY><TR valign="baseline"><TD>Search for a string after point.  </TD><TD align="right">Ctrl-Alt-S</TD></TR></TBODY></TABLE><P>
The command prompts for a regular expression, then positions point
after the next match of that pattern.  If no such match exists, a
message appears in the echo area.  </P><DL><DT><I>pat1</I><CODE>|</CODE><I>pat2</I></DT><DD> matches either <I>pat1</I> or <I>pat2</I>.<P>
</P></DD><DT><I>pat</I><CODE>*</CODE></DT><DD> matches zero or more matches of <I>pat</I>.<P>
</P></DD><DT><I>pat</I><CODE>+</CODE></DT><DD> matches one or more matches of <I>pat</I>.<P>
</P></DD><DT><I>pat</I><CODE>?</CODE></DT><DD> matches zero or one matches of <I>pat</I>.<P>
</P></DD><DT>[abx]</DT><DD> matches any of the characters a, b, or x.<P>
</P></DD><DT>[^abx]</DT><DD> matches any but a, b, or x.<P>
</P></DD><DT>[a-z3]</DT><DD> matches a, b, c, ... z, or 3.<P>
</P></DD><DT>.</DT><DD> matches any character except newline.<P>
</P></DD><DT>( )</DT><DD> group patterns for <CODE>+</CODE>, <CODE>*</CODE>, <CODE>?</CODE>, and <CODE>|</CODE>.<P>
</P></DD><DT>^</DT><DD> only matches at the beginning of a line.<P>
</P></DD><DT>$</DT><DD> only matches at the end of a line.<P>
</P></DD><DT>&lt;#50&gt;</DT><DD> means the character with ASCII code 50.<P>
</P></DD><DT>%</DT><DD> removes the special meaning from the following character, so that
%$ matches only $.<P>
</P></DD><DT>!</DT><DD> marks the end of the match.</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/32361B12-F653-42BE-B885-A6526A0C4064/blog/" title="blog or email this clip"><img src="http://content9.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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