[英]Add span for each letter, but avoid html tags using javascript
我有一個字符串
var string = "Selected<br>Works"
我需要用<span></span>
來包裝每個字母,避免在span中包裝<br>
標簽。 正則表達式有可能嗎?
我做到了:
'Selected<br>Works'.replace(/\S/g, '<span class="letter">$&</span>')
哪個回報:
<span class="letter">S</span>
<span class="letter">e</span>
<span class="letter">l</span>
<span class="letter">e</span>
<span class="letter">c</span>
<span class="letter">t</span>
<span class="letter">e</span>
<span class="letter">d</span>
<span class="letter"><</span>
<span class="letter">b</span>
<span class="letter">r</span>
<span class="letter">></span>
<span class="letter">W</span>
<span class="letter">o</span>
<span class="letter">r</span>
<span class="letter">k</span>
<span class="letter">s</span>
期望的結果是:
<span class="letter">S</span>
<span class="letter">e</span>
<span class="letter">l</span>
<span class="letter">e</span>
<span class="letter">c</span>
<span class="letter">t</span>
<span class="letter">e</span>
<span class="letter">d</span>
<br>
<span class="letter">W</span>
<span class="letter">o</span>
<span class="letter">r</span>
<span class="letter">k</span>
<span class="letter">s</span>
其他字符串示例如下:
Art Direction<br>Creative Concept<br>UX/UI Design
Digital Branding<br>Website
您可以通過<br>
分隔符拆分返回多個數組包含字母的字符串。 然后使用.map()
和.replace()
來包裝<span></span>
每個字母。 最后通過<br>
連接數組
var string = "Selected<br>Works"; var newStr = string.split("<br>").map(function(val){ return val.replace(/(\\S)/g, "<span>$1</span>"); }).join("<br>"); console.log(newStr); document.body.innerHTML = (newStr);
span:nth-child(even) {color: blue} span:nth-child(odd) {color: red}
您可以使用replace
前瞻性的正則表達式:
var string = "Selected<br>Works", result = string.replace(/(?![^<]*>)[^<]/g, c => `<span>${c}</span>\\n`); console.log(result);
這也將跳過其他標簽,如<p>
或</canvas>
。 盡管如此,它還是無法應對更復雜的HTML(包括腳本,注釋......),而正則表達式並不適用。
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