util/regex/Pattern.java

18  * 2 along with this work; if not, write to the Free Software Foundation,
73  * is less efficient since it does not allow the compiled pattern to be reused.
76  * concurrent threads.  Instances of the {@link Matcher} class are not safe for
153  *          and not {@code m} through {@code p}: {@code [a-lq-z]}(subtraction)</td></tr>
158  *     <td headers="matches predef any">Any character (may or may not match <a href="#lt">line terminators</a>)</td></tr>
278  *     <td headers="matches greedy greedy_once_or_not"><i>X</i>, once or not at all</td></tr>
288  *     <td headers="matches greedy greedy_at_least_up_to"><i>X</i>, at least <i>n</i> but not more than <i>m</i> times</td></tr>
293  *     <td headers="matches reluc reluc_once_or_not"><i>X</i>, once or not at all</td></tr>
303  *     <td headers="matches reluc reluc_at_least_up_to"><i>X</i>, at least <i>n</i> but not more than <i>m</i> times</td></tr>
308  *     <td headers="matches poss poss_once_or_not"><i>X</i>, once or not at all</td></tr>
318  *     <td headers="matches poss poss_at_least_up_to"><i>X</i>, at least <i>n</i> but not more than <i>m</i> times</td></tr>
390  * does not denote an escaped construct; these are reserved for future
534  * that do not capture text and do not count towards the group total, or
550  * {@code "\\u2014"}, while not equal, compile into the same pattern, which
573  * does not match if the input has that property.
696  * <p> Perl constructs not supported by this class: </p>
720  * <p> Constructs supported by this class but not by Perl: </p>
864      * including a line terminator.  By default this expression does not match
896      * matching does not take canonical equivalence into account.
1165      * @return whether or not the regular expression matches on the input
1182      * input. If this pattern does not match any subsequence of the input then
1293      * therefore not included in the resulting array. </p>
1560      * possibilities must be removed because they are not canonically
1837      * inline them, we should not put many assertions or error checks in them.
1841      * Indicates whether a particular flag is set or not.
1867      * Peek the next character, and do not advance the cursor.
2515                 throw error("\\k is not followed by '<' for named capturing group");
2518                 throw error("(named capturing group <"+ name+"> does not exit");
2986                     throw error("Look-behind group does not have "
3110      * created with anonymous true then it is a pure group and should not
3649      * match for a \A sequence, and the caret anchor will use this if not in
3669      * should not match at the last newline before the end as $ will.
3695             // Perl does not match ^ at end of input even after newline
3726             // Perl does not match ^ at end of input even after newline
3757      * When not in multiline mode, the $ can only match at the very end
3763      * Like ^ the $ operator matches at a position, it does not match the
3790             // If not multiline, fall through so that the end
3793             // could make this not match here
3838                     // If not multiline, then only possible to
4679      * "next" but not the "study", so we can collect the TreeInfo
4696      * and where it does not occur.
4765      * indicate that we do not want to unset the group if the reference
4770         GroupTail tail;    // for debug/print only, match does not need to know
4792      * matchRef because if the reference fails to match we would not unset
5145         Node cond, yes, not;
5146         Conditional(Node cond, Node yes, Node not) {
5149             this.not = not;
5155                 return not.match(matcher, i, seq);
5169             not.study(info);
5466      * all match the pattern has been found. If a character does not match,
5473      * did not match. If the character does not appear in the pattern, the
5481      * not occur again in pattern, or by the amount of distance to the
5537                 // any suffix can not have larger shift amount
5719      * for the dot metacharacter when dotall is not enabled.
5729      *  the dot metacharacter when dotall is not enabled but UNIX_LINES is enabled.
5824      * input. Trailing empty strings will be discarded and not encountered in
5827      * <p> If this pattern does not match any subsequence of the input then