42 lines
2.7 KiB
Diff
42 lines
2.7 KiB
Diff
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Subject: Backport JDK-8333599 Improve description of \b matcher in j.u.r.Pattern
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---
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src/java.base/share/classes/java/util/regex/Pattern.java | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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diff --git a/src/java.base/share/classes/java/util/regex/Pattern.java b/src/java.base/share/classes/java/util/regex/Pattern.java
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index 45c48ddab..84e5a140d 100644
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--- a/src/java.base/share/classes/java/util/regex/Pattern.java
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+++ b/src/java.base/share/classes/java/util/regex/Pattern.java
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@@ -1,5 +1,5 @@
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/*
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- * Copyright (c) 1999, 2023, Oracle and/or its affiliates. All rights reserved.
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+ * Copyright (c) 1999, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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@@ -160,7 +160,7 @@ import jdk.internal.util.regex.Grapheme;
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* <td headers="matches predef any">Any character (may or may not match <a href="#lt">line terminators</a>)</td></tr>
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* <tr><th style="vertical-align:top; font-weight:normal" id="digit">{@code \d}</th>
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* <td headers="matches predef digit">A digit: {@code [0-9]} if <a href="#UNICODE_CHARACTER_CLASS">
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- * * UNICODE_CHARACTER_CLASS</a> is not set. See <a href="#unicodesupport">Unicode Support</a>.</td></tr>
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+ * UNICODE_CHARACTER_CLASS</a> is not set. See <a href="#unicodesupport">Unicode Support</a>.</td></tr>
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* <tr><th style="vertical-align:top; font-weight:normal" id="non_digit">{@code \D}</th>
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* <td headers="matches predef non_digit">A non-digit: {@code [^0-9]}</td></tr>
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* <tr><th style="vertical-align:top; font-weight:normal" id="horiz_white">{@code \h}</th>
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@@ -251,8 +251,9 @@ import jdk.internal.util.regex.Grapheme;
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* <tr><th style="vertical-align:top; font-weight:normal" id="end_line">{@code $}</th>
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* <td headers="matches bounds end_line">The end of a line</td></tr>
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* <tr><th style="vertical-align:top; font-weight:normal" id="word_boundary">{@code \b}</th>
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- * <td headers="matches bounds word_boundary">A word boundary: {@code (?:(?<=\w)(?=\W)|(?<=\W)(?=\w))} (the location
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- * where a non-word character abuts a word character)</td></tr>
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+ * <td headers="matches bounds word_boundary">A word boundary:
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+ * at the beginning or at the end of a line if a word character ({@code \w}) appears there;
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+ * or between a word ({@code \w}) and a non-word character ({@code \W}), in either order.</td></tr>
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* <tr><th style="vertical-align:top; font-weight:normal" id="grapheme_cluster_boundary">{@code \b{g}}</th>
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* <td headers="matches bounds grapheme_cluster_boundary">A Unicode extended grapheme cluster boundary</td></tr>
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* <tr><th style="vertical-align:top; font-weight:normal" id="non_word_boundary">{@code \B}</th>
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--
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2.33.0
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