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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/exslt/regexp/match/index.html | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/exslt/regexp/match/index.html b/files/zh-cn/web/exslt/regexp/match/index.html new file mode 100644 index 0000000000..2aebf1da22 --- /dev/null +++ b/files/zh-cn/web/exslt/regexp/match/index.html @@ -0,0 +1,69 @@ +--- +title: match +slug: Web/EXSLT/regexp/match +translation_of: Web/EXSLT/regexp/match +--- +<p>{{ XsltRef() }} {{ Fx_minversion_header(3) }}</p> + +<p><br> + <code>regexp:match()</code> performs regular expression matching on a string, returning the submatches found as a result.</p> + +<h3 id="Syntax" name="Syntax">语法</h3> + +<pre class="eval">regexp:match(<em>targetString</em>,<em>regExpString</em>[[,<em>flagsString</em>]]) +</pre> + +<h3 id="Arguments" name="Arguments">参数</h3> + +<dl> + <dt><code><em>targetString</em></code></dt> + <dd>The string to perform regular expression matching upon.</dd> + <dt><code><em>regExpString</em></code></dt> + <dd>The JavaScript style regular expression to evaluate.</dd> + <dt><code><em>flagsString</em></code></dt> + <dd>An optional string containing character flags.</dd> +</dl> + +<p>The character flags are:</p> + +<dl> + <dt><code>g</code></dt> + <dd>全局匹配</dd> + <dd>The submatches from every match in the string are returned. If this flag isn't specified, only the submatches from the first match are returned.</dd> + <dt><code>i</code></dt> + <dd>Case insensitive match</dd> + <dd>If this flag is specified, the match is performed in a case insensitive fashion.</dd> +</dl> + +<h3 id="Returns" name="Returns">Returns</h3> + +<p>A node set of <code>match</code> elements, each of which has the string value equal to a portion of the first parameter string as captured by the regular expression. If the match isn't a global one, the first match element has the value of the portion of the string matched by the entire regular expression.</p> + +<p>例如:</p> + +<pre class="eval"><xsl:for-each select="regExp:match('<span class="nowiki">http://developer.mozilla.org/en/docs/Firefox_3_for_developers</span>', + '(\w+):\/\/([^/:]+)(:\d*)?([^# ]*)')"> + Part <xsl:value-of select="position()" /> = <xsl:value-of select="." /> +</xsl:for-each> +</pre> + +<p>This code generates the following output:</p> + +<pre class="eval">Part 1 = <span class="nowiki">http://developer.mozilla.org/en/docs/Firefox_3_for_developers</span> +Part 2 = http +Part 3 = developer.mozilla.org +Part 4 = +Part 5 = /en/docs/Firefox_3_for_developers +</pre> + +<h3 id="Defined" name="Defined">定义</h3> + +<p><a class="external" href="http://www.exslt.org/regexp/functions/match/index.html">EXSLT - REGEXP:MATCH</a></p> + +<h3 id="Gecko_support" name="Gecko_support">Gecko support</h3> + +<p>Supported in Gecko 1.9 and later.</p> + +<div class="noinclude"> </div> + +<p>{{ languages( { "es": "es/EXSLT/regexp/match", "fr": "fr/EXSLT/regexp/match" } ) }}</p> |