Mercurial > hg > release > icedtea7-forest-2.4 > jdk
changeset 4317:4ac05b50f09c
7036522: j.u.r.Pattern documentation errors
Summary: updated the Perl related information
Reviewed-by: alanb
| author | sherman |
|---|---|
| date | Sun, 01 May 2011 11:39:32 -0700 |
| parents | aa7c361144bb |
| children | aee65a629245 |
| files | src/share/classes/java/util/regex/Pattern.java |
| diffstat | 1 files changed, 23 insertions(+), 12 deletions(-) [+] |
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--- a/src/share/classes/java/util/regex/Pattern.java Sun May 01 14:22:32 2011 +0800 +++ b/src/share/classes/java/util/regex/Pattern.java Sun May 01 11:39:32 2011 -0700 @@ -667,8 +667,30 @@ * <p> Perl constructs not supported by this class: </p> * * <ul> + * <li><p> Predefined character classes (Unicode character) + * <p><tt>\h </tt>A horizontal whitespace + * <p><tt>\H </tt>A non horizontal whitespace + * <p><tt>\v </tt>A vertical whitespace + * <p><tt>\V </tt>A non vertical whitespace + * <p><tt>\R </tt>Any Unicode linebreak sequence + * <tt>\u005cu000D\u005cu000A|[\u005cu000A\u005cu000B\u005cu000C\u005cu000D\u005cu0085\u005cu2028\u005cu2029]</tt> + * <p><tt>\X </tt>Match Unicode + * <a href="http://www.unicode.org/reports/tr18/#Default_Grapheme_Clusters"> + * <i>extended grapheme cluster</i></a> + * </p></li> * - * <li><p> The conditional constructs <tt>(?{</tt><i>X</i><tt>})</tt> and + * <li><p> The backreference constructs, <tt>\g{</tt><i>n</i><tt>}</tt> for + * the <i>n</i><sup>th</sup><a href="#cg">capturing group</a> and + * <tt>\g{</tt><i>name</i><tt>}</tt> for + * <a href="#groupname">named-capturing group</a>. + * </p></li> + * + * <li><p> The named character construct, <tt>\N{</tt><i>name</i><tt>}</tt> + * for a Unicode character by its name. + * </p></li> + * + * <li><p> The conditional constructs + * <tt>(?(</tt><i>condition</i><tt>)</tt><i>X</i><tt>)</tt> and * <tt>(?(</tt><i>condition</i><tt>)</tt><i>X</i><tt>|</tt><i>Y</i><tt>)</tt>, * </p></li> * @@ -686,10 +708,6 @@ * * <ul> * - * <li><p> Possessive quantifiers, which greedily match as much as they can - * and do not back off, even when doing so would allow the overall match to - * succeed. </p></li> - * * <li><p> Character-class union and intersection as described * <a href="#cc">above</a>.</p></li> * @@ -723,13 +741,6 @@ * within a group; in the latter case, flags are restored at the end of the * group just as in Perl. </p></li> * - * <li><p> Perl is forgiving about malformed matching constructs, as in the - * expression <tt>*a</tt>, as well as dangling brackets, as in the - * expression <tt>abc]</tt>, and treats them as literals. This - * class also accepts dangling brackets but is strict about dangling - * metacharacters like +, ? and *, and will throw a - * {@link PatternSyntaxException} if it encounters them. </p></li> - * * </ul> * *