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revision 566 by ph10, Mon Oct 5 10:59:35 2009 UTC revision 567 by ph10, Sat Nov 6 17:10:00 2010 UTC
# Line 185  callouts. Line 185  callouts.
185  2. Because the alternative algorithm scans the subject string just once, and  2. Because the alternative algorithm scans the subject string just once, and
186  never needs to backtrack, it is possible to pass very long subject strings to  never needs to backtrack, it is possible to pass very long subject strings to
187  the matching function in several pieces, checking for partial matching each  the matching function in several pieces, checking for partial matching each
188  time. The  time. It is possible to do multi-segment matching using <b>pcre_exec()</b> (by
189    retaining partially matched substrings), but it is more complicated. The
190  <a href="pcrepartial.html"><b>pcrepartial</b></a>  <a href="pcrepartial.html"><b>pcrepartial</b></a>
191  documentation gives details of partial matching.  documentation gives details of partial matching and discusses multi-segment
192    matching.
193  </P>  </P>
194  <br><a name="SEC6" href="#TOC1">DISADVANTAGES OF THE ALTERNATIVE ALGORITHM</a><br>  <br><a name="SEC6" href="#TOC1">DISADVANTAGES OF THE ALTERNATIVE ALGORITHM</a><br>
195  <P>  <P>
# Line 216  Cambridge CB2 3QH, England. Line 218  Cambridge CB2 3QH, England.
218  </P>  </P>
219  <br><a name="SEC8" href="#TOC1">REVISION</a><br>  <br><a name="SEC8" href="#TOC1">REVISION</a><br>
220  <P>  <P>
221  Last updated: 29 September 2009  Last updated: 22 October 2010
222  <br>  <br>
223  Copyright &copy; 1997-2009 University of Cambridge.  Copyright &copy; 1997-2010 University of Cambridge.
224  <br>  <br>
225  <p>  <p>
226  Return to the <a href="index.html">PCRE index page</a>.  Return to the <a href="index.html">PCRE index page</a>.

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