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always produce exactly the same result as matching over one single long string. |
always produce exactly the same result as matching over one single long string. |
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The difference arises when there are multiple matching possibilities, because a |
The difference arises when there are multiple matching possibilities, because a |
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partial match result is given only when there are no completed matches in a |
partial match result is given only when there are no completed matches in a |
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call to fBpcre_dfa_exec()\fP. This means that as soon as the shortest match has |
call to \fBpcre_dfa_exec()\fP. This means that as soon as the shortest match has |
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been found, continuation to a new subject segment is no longer possible. |
been found, continuation to a new subject segment is no longer possible. |
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Consider this \fBpcretest\fP example: |
Consider this \fBpcretest\fP example: |
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.sp |
.sp |
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where no string can be a partial match for both alternatives. |
where no string can be a partial match for both alternatives. |
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. |
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.P |
.SH AUTHOR |
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.in 0 |
.rs |
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Last updated: 30 November 2006 |
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.br |
.nf |
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Copyright (c) 1997-2006 University of Cambridge. |
Philip Hazel |
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University Computing Service |
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Cambridge CB2 3QH, England. |
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.fi |
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. |
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. |
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.SH REVISION |
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.rs |
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.sp |
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.nf |
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Last updated: 06 March 2007 |
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Copyright (c) 1997-2007 University of Cambridge. |
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.fi |