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revision 578 by ph10, Wed Nov 17 17:55:57 2010 UTC revision 579 by ph10, Wed Nov 24 17:39:25 2010 UTC
# Line 215  options that do not correspond to anythi Line 215  options that do not correspond to anythi
215    <b>/U</b>              PCRE_UNGREEDY    <b>/U</b>              PCRE_UNGREEDY
216    <b>/W</b>              PCRE_UCP    <b>/W</b>              PCRE_UCP
217    <b>/X</b>              PCRE_EXTRA    <b>/X</b>              PCRE_EXTRA
218      <b>/Y</b>              PCRE_NO_START_OPTIMIZE
219    <b>/&#60;JS&#62;</b>           PCRE_JAVASCRIPT_COMPAT    <b>/&#60;JS&#62;</b>           PCRE_JAVASCRIPT_COMPAT
220    <b>/&#60;cr&#62;</b>           PCRE_NEWLINE_CR    <b>/&#60;cr&#62;</b>           PCRE_NEWLINE_CR
221    <b>/&#60;lf&#62;</b>           PCRE_NEWLINE_LF    <b>/&#60;lf&#62;</b>           PCRE_NEWLINE_LF
# Line 256  empty string, the next call is done with Line 257  empty string, the next call is done with
257  PCRE_ANCHORED flags set in order to search for another, non-empty, match at the  PCRE_ANCHORED flags set in order to search for another, non-empty, match at the
258  same point. If this second match fails, the start offset is advanced, and the  same point. If this second match fails, the start offset is advanced, and the
259  normal match is retried. This imitates the way Perl handles such cases when  normal match is retried. This imitates the way Perl handles such cases when
260  using the <b>/g</b> modifier or the <b>split()</b> function. Normally, the start  using the <b>/g</b> modifier or the <b>split()</b> function. Normally, the start
261  offset is advanced by one character, but if the newline convention recognizes  offset is advanced by one character, but if the newline convention recognizes
262  CRLF as a newline, and the current character is CR followed by LF, an advance  CRLF as a newline, and the current character is CR followed by LF, an advance
263  of two is used.  of two is used.
264  </P>  </P>
265  <br><b>  <br><b>
# Line 385  recognized: Line 386  recognized:
386    \t         tab (\x09)    \t         tab (\x09)
387    \v         vertical tab (\x0b)    \v         vertical tab (\x0b)
388    \nnn       octal character (up to 3 octal digits)    \nnn       octal character (up to 3 octal digits)
389                 always a byte unless &#62; 255 in UTF-8 mode                 always a byte unless &#62; 255 in UTF-8 mode
390    \xhh       hexadecimal byte (up to 2 hex digits)    \xhh       hexadecimal byte (up to 2 hex digits)
391    \x{hh...}  hexadecimal character, any number of digits in UTF-8 mode    \x{hh...}  hexadecimal character, any number of digits in UTF-8 mode
392    \A         pass the PCRE_ANCHORED option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \A         pass the PCRE_ANCHORED option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
# Line 416  recognized: Line 417  recognized:
417    \Y         pass the PCRE_NO_START_OPTIMIZE option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \Y         pass the PCRE_NO_START_OPTIMIZE option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
418    \Z         pass the PCRE_NOTEOL option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \Z         pass the PCRE_NOTEOL option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
419    \?         pass the PCRE_NO_UTF8_CHECK option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \?         pass the PCRE_NO_UTF8_CHECK option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
420    \&#62;dd       start the match at offset dd (optional "-"; then any number of digits); this sets the <i>startoffset</i>    \&#62;dd       start the match at offset dd (optional "-"; then any number of digits); this sets the <i>startoffset</i>
421                 argument for <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>                 argument for <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
422    \&#60;cr&#62;      pass the PCRE_NEWLINE_CR option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \&#60;cr&#62;      pass the PCRE_NEWLINE_CR option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
423    \&#60;lf&#62;      pass the PCRE_NEWLINE_LF option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \&#60;lf&#62;      pass the PCRE_NEWLINE_LF option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
# Line 424  recognized: Line 425  recognized:
425    \&#60;anycrlf&#62; pass the PCRE_NEWLINE_ANYCRLF option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \&#60;anycrlf&#62; pass the PCRE_NEWLINE_ANYCRLF option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
426    \&#60;any&#62;     pass the PCRE_NEWLINE_ANY option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>    \&#60;any&#62;     pass the PCRE_NEWLINE_ANY option to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>
427  </pre>  </pre>
428  Note that \xhh always specifies one byte, even in UTF-8 mode; this makes it  Note that \xhh always specifies one byte, even in UTF-8 mode; this makes it
429  possible to construct invalid UTF-8 sequences for testing purposes. On the  possible to construct invalid UTF-8 sequences for testing purposes. On the
430  other hand, \x{hh} is interpreted as a UTF-8 character in UTF-8 mode,  other hand, \x{hh} is interpreted as a UTF-8 character in UTF-8 mode,
431  generating more than one byte if the value is greater than 127. When not in  generating more than one byte if the value is greater than 127. When not in
432  UTF-8 mode, it generates one byte for values less than 256, and causes an error  UTF-8 mode, it generates one byte for values less than 256, and causes an error
433  for greater values.  for greater values.
434  </P>  </P>
435  <P>  <P>
# Line 756  Cambridge CB2 3QH, England. Line 757  Cambridge CB2 3QH, England.
757  </P>  </P>
758  <br><a name="SEC15" href="#TOC1">REVISION</a><br>  <br><a name="SEC15" href="#TOC1">REVISION</a><br>
759  <P>  <P>
760  Last updated: 07 November 2010  Last updated: 21 November 2010
761  <br>  <br>
762  Copyright &copy; 1997-2010 University of Cambridge.  Copyright &copy; 1997-2010 University of Cambridge.
763  <br>  <br>
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