Regex syntax reference


	Regex syntax reference

enbar

4-7-2007 3:54 PM

438 views

tags:

web, tools, programming, reference

enbar says:

I've been experimenting with Yahoo! Pipes a little bit (http://pipes.yahoo.com) and you need to understand these things to get a lot of the tricks to work.

1 Comment |

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4-7-2007 8:43 PM

Kore7

Nothing like a good regex.

I would think Clipmarks would play well with Yahoo Pipes. I wonder what's possible....

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padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><DIV class="logo"><IMG width="530" height="100" src="http://www.regular-expressions.info/img/logo.gif" /></DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><DIV class="btntop"><A  href="http://www.regular-expressions.info/tutorial.html" class="btntop"> Tutorial </A><A  href="http://www.regular-expressions.info/tools.html" class="btntop"> Tools & Languages </A><A  href="http://www.regular-expressions.info/examples.html" class="btntop"> Examples </A><A  href="http://www.regular-expressions.info/books.html" class="btntop"> Books & Reference </A></DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><H1>Regular Expression Basic Syntax Reference</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><TH colspan="3"><A  href="http://www.regular-expressions.info/characters.html">Characters</A></TH></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><table background="undefined" bgcolor=""><TR><TH>Character</TH><TH>Description</TH><TH>Example</TH></TR></table></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><table background="undefined" bgcolor=""><TR><TD valign="top">Any character except <TT>[\^$.|?*+()</TT></TD> <TD valign="top">All characters except the listed special characters match a single instance of themselves.</TD> <TD valign="top"><TT class="regex">a</TT> matches <TT class="match">a</TT></TD></TR></table></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><table background="undefined" bgcolor=""><TR><TD valign="top"><TT>\</TT> (backslash) followed by any of <TT>[\^$.|?*+()</TT></TD> <TD valign="top">A backslash escapes special characters to suppress their special meaning.</TD> <TD valign="top"><TT class="regex">\+</TT> matches <TT class="match">+</TT></TD></TR></table></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><table background="undefined" bgcolor=""><TR><TD valign="top"><TT>\xFF</TT> where FF are 2 hexadecimal digits </TD> <TD valign="top">Matches the character with the specified ASCII/ANSI value, which depends on the code page used. Can be used in character classes.</TD> <TD valign="top"><TT class="regex">\xA9</TT> matches <TT class="match">©</TT> when using the Latin-1 code page.</TD></TR></table></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.regular-expressions.info/reference.html"><table background="undefined" bgcolor=""><TR><TD valign="top"><TT>\n</TT>, <TT>\r</TT> and <TT>\t</TT></TD> <TD valign="top">Match an LF character, CR character and a tab character respectively. Can be used in character classes.</TD> <TD valign="top"><TT class="regex">\r\n</TT> matches a DOS/Windows CRLF line break.</TD></TR></table></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/DDFED3E6-0EEC-4C64-8B99-1D68884ED5F7/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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