diff options
Diffstat (limited to 'files/zh-cn/web/javascript/reference/global_objects/regexp')
3 files changed, 16 insertions, 16 deletions
diff --git a/files/zh-cn/web/javascript/reference/global_objects/regexp/index.html b/files/zh-cn/web/javascript/reference/global_objects/regexp/index.html index 2a1e6ffcf5..a4ca838294 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/regexp/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/regexp/index.html @@ -30,7 +30,7 @@ translation_of: Web/JavaScript/Reference/Global_Objects/RegExp <p>以下三种表达式都会创建相同的正则表达式：</p> -<pre class="brush: js notranslate" style="font-size: 14px;">/ab+c/i; //字面量形式 +<pre class="brush: js" style="font-size: 14px;">/ab+c/i; //字面量形式 new RegExp('ab+c', 'i'); // 首个参数为字符串模式的构造函数 new RegExp(/ab+c/, 'i'); // 首个参数为常规字面量的构造函数</pre> @@ -46,7 +46,7 @@ new RegExp(/ab+c/, 'i'); // 首个参数为常规字面量的构造函数</pre> <p>比如，以下是等价的：</p> -<pre class="brush: js notranslate">var re = new RegExp("\\w+"); +<pre class="brush: js">var re = new RegExp("\\w+"); var re = /\w+/;</pre> <h3 id="Perl-like_RegExp_属性">Perl-like RegExp 属性</h3> @@ -123,7 +123,7 @@ var re = /\w+/;</pre> <p>在替换的文本中，脚本中使用 <code>$1</code> 和 <code>$2</code> 指明括号里先前的匹配.</p> -<pre class="brush: js notranslate">let re = /(\w+)\s(\w+)/; +<pre class="brush: js">let re = /(\w+)\s(\w+)/; let str = "John Smith"; let newstr = str.replace(re, "$2, $1"); console.log(newstr); @@ -135,7 +135,7 @@ console.log(newstr); <p>对于不同的平台（Unix，Windows等等），其默认的行结束符是不一样的. 而下面的划分方式适用于所有平台。</p> -<pre class="notranslate">let text = 'Some text\nAnd some more\r\nAnd yet\rThis is the end' +<pre>let text = 'Some text\nAnd some more\r\nAnd yet\rThis is the end' let lines = text.split(/\r\n|\r|\n/) console.log(lines) // logs [ 'Some text', 'And some more', 'And yet', 'This is the end' ] </pre> @@ -144,7 +144,7 @@ console.log(lines) // logs [ 'Some text', 'And some more', 'And yet', 'This is t <h3 id="在多行文本中使用正则表达式">在多行文本中使用正则表达式</h3> -<pre class="brush: js notranslate">let s = "Please yes\nmake my day!"; +<pre class="brush: js">let s = "Please yes\nmake my day!"; s.match(/yes.*day/); // Returns null @@ -156,7 +156,7 @@ s.match(/yes[^]*day/); <p>带有{{JSxRef("Global_Objects/RegExp/sticky", "sticky")}}标志的正则表达式将会从源字符串的{{jsxref("RegExp.prototype.lastIndex")}}位置开始匹配，也就是进行“粘性匹配”。</p> -<pre class="brush: js notranslate">let str = '#foo#' +<pre class="brush: js">let str = '#foo#' let regex = /foo/y regex.lastIndex = 1 @@ -169,7 +169,7 @@ regex.lastIndex // 0 (reset after match failure)</pre> <p>如果正则表达式有粘性 <code>y</code> 标志，下一次匹配一定在 <code>lastIndex</code> 位置开始；如果正则表达式有全局 <code>g</code> 标志，下一次匹配可能在 <code>lastIndex</code> 位置开始，也可能在这个位置的后面开始。</p> -<pre class="brush: js notranslate">re = /\d/y; +<pre class="brush: js">re = /\d/y; while (r = re.exec("123 456")) console.log(r, "AND re.lastIndex", re.lastIndex); // [ '1', index: 0, input: '123 456', groups: undefined ] AND re.lastIndex 1 @@ -187,7 +187,7 @@ while (r = re.exec("123 456")) console.log(r, "AND re.lastIndex", re.lastIndex); <p>下例展示了怎样从一个单词中分离出 Unicode 字符。</p> -<pre class="brush: js notranslate">let text = "Образец text на русском языке"; +<pre class="brush: js">let text = "Образец text на русском языке"; let regex = /[\u0400-\u04FF]+/g; let match = regex.exec(text); @@ -204,7 +204,7 @@ console.log(regex.lastIndex); // prints "15" <h3 id="从_URL_中提取子域名">从 URL 中提取子域名</h3> -<pre class="brush: js notranslate">var url = "http://xxx.domain.com"; +<pre class="brush: js">var url = "http://xxx.domain.com"; console.log(/[^.]+/.exec(url)[0].substr(7)); // logs "xxx" </pre> @@ -248,7 +248,7 @@ console.log(/[^.]+/.exec(url)[0].substr(7)); // logs "xxx" <p>Starting with Gecko 34 {{geckoRelease(34)}}, in the case of a capturing group with quantifiers preventing its exercise, the matched text for a capturing group is now <code>undefined</code> instead of an empty string:</p> -<pre class="notranslate"><code>// Firefox 33 or older +<pre><code>// Firefox 33 or older 'x'.replace(/x(.)?/g, function(m, group) { console.log("'group:" + group + "'"); }); // 'group:' diff --git a/files/zh-cn/web/javascript/reference/global_objects/regexp/regexp/index.html b/files/zh-cn/web/javascript/reference/global_objects/regexp/regexp/index.html index 1457ab4f59..008b4d7d76 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/regexp/regexp/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/regexp/regexp/index.html @@ -17,7 +17,7 @@ translation_of: Web/JavaScript/Reference/Global_Objects/RegExp/RegExp <p>可以使用字面量、构造函数和工厂方法来创建正则表达式</p> -<pre class="syntaxbox notranslate">/<var>pattern</var>/<var>flags</var> +<pre class="syntaxbox">/<var>pattern</var>/<var>flags</var> new RegExp(<var>pattern</var>[, <var>flags</var>]) RegExp(<var>pattern</var>[, <var>flags</var>]) </pre> @@ -68,7 +68,7 @@ RegExp(<var>pattern</var>[, <var>flags</var>]) <p>以下三个表达式创建相同的正则表达式:</p> -<pre class="brush: js notranslate">/ab+c/i +<pre class="brush: js">/ab+c/i new RegExp(/ab+c/, 'i') // 字面量 new RegExp('ab+c', 'i') // 构造函数 </pre> diff --git a/files/zh-cn/web/javascript/reference/global_objects/regexp/test/index.html b/files/zh-cn/web/javascript/reference/global_objects/regexp/test/index.html index 24ddd6daa0..d1f4ed7183 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/regexp/test/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/regexp/test/index.html @@ -19,7 +19,7 @@ translation_of: Web/JavaScript/Reference/Global_Objects/RegExp/test <h2 id="Syntax" name="Syntax">语法</h2> -<pre class="notranslate"><var>regexObj</var>.test(str)</pre> +<pre><var>regexObj</var>.test(str)</pre> <h3 id="Parameters" name="Parameters">参数</h3> @@ -42,7 +42,7 @@ translation_of: Web/JavaScript/Reference/Global_Objects/RegExp/test <p>一个简单的例子，测试 "hello" 是否包含在字符串的最开始，返回布尔值。</p> -<pre class="brush: js notranslate">let str = 'hello world!'; +<pre class="brush: js">let str = 'hello world!'; let result = /^hello/.test(str); console.log(result); // true @@ -50,7 +50,7 @@ console.log(result); <p>下例打印一条信息，该信息内容取决于是否成功通过指定测试：</p> -<pre class="brush: js notranslate">function testinput(re, str){ +<pre class="brush: js">function testinput(re, str){ var midstring; if (re.test(str)) { midstring = " contains "; @@ -67,7 +67,7 @@ console.log(result); <p>下面的实例表现了这种行为： </p> -<pre class="brush: js notranslate">var regex = /foo/g; +<pre class="brush: js">var regex = /foo/g; // regex.lastIndex is at 0 regex.test('foo'); // true |