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revision 784 by ph10, Mon Dec 5 12:33:44 2011 UTC revision 835 by ph10, Wed Dec 28 16:10:09 2011 UTC
# Line 37  There is no limit to the number of paren Line 37  There is no limit to the number of paren
37  no more than 65535 capturing subpatterns.  no more than 65535 capturing subpatterns.
38  </P>  </P>
39  <P>  <P>
 There is a limit to the number of forward references to subsequent subpatterns  
 of around 200,000. Repeated forward references with fixed upper limits, for  
 example, (?2){0,100} when subpattern number 2 is to the right, are included in  
 the count. There is no limit to the number of backward references.  
 </P>  
 <P>  
40  The maximum length of name for a named subpattern is 32 characters, and the  The maximum length of name for a named subpattern is 32 characters, and the
41  maximum number of named subpatterns is 10000.  maximum number of named subpatterns is 10000.
42  </P>  </P>
# Line 71  Cambridge CB2 3QH, England. Line 65  Cambridge CB2 3QH, England.
65  REVISION  REVISION
66  </b><br>  </b><br>
67  <P>  <P>
68  Last updated: 30 November 2011  Last updated: 24 August 2011
69  <br>  <br>
70  Copyright &copy; 1997-2011 University of Cambridge.  Copyright &copy; 1997-2011 University of Cambridge.
71  <br>  <br>

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