多国语言文本搜索时(不止中英文),勾选全词匹配时怎么精确匹配高亮显示(如搜英文in不显示单词becoming,而显示单词in),且搜索中文勾选全词匹配也能正常高亮匹配显示?
3条回答 默认 最新
- CSDN专家-showbo 2021-06-25 10:35关注
用正则来搜索
<span class="hljs-comment">/** * <span class="hljs-doctag">@param</span> s 要匹配的字符 * <span class="hljs-doctag">@param</span> kw 关键字 * <span class="hljs-doctag">@param</span> fullMatch 完全匹配 */</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">isMatch</span>(<span class="hljs-params">s, kw, fullMatch</span>) { <span class="hljs-keyword">if</span> (<span class="hljs-regexp">/[\u4e00-\u9fa5]/</span>.<span class="hljs-title function_">test</span>(kw) || !fullMatch) {<span class="hljs-comment">//中文或者模糊匹配用IndexOf</span> <span class="hljs-keyword">return</span> s.<span class="hljs-title function_">indexOf</span>(kw) != -<span class="hljs-number">1</span>; } <span class="hljs-keyword">else</span> { <span class="hljs-keyword">var</span> re = <span class="hljs-keyword">new</span> <span class="hljs-title class_">RegExp</span>(<span class="hljs-string">'\\b'</span> + kw + <span class="hljs-string">'\\b'</span>, <span class="hljs-string">'i'</span>);<span class="hljs-comment">//如果大小写也要区分,去掉“,'i'”</span> <span class="hljs-keyword">return</span> re.<span class="hljs-title function_">test</span>(s); } } <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-title function_">isMatch</span>(<span class="hljs-string">'如果大小写也要区分'</span>, <span class="hljs-string">'大小'</span>))<span class="hljs-comment">//true</span> <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-title function_">isMatch</span>(<span class="hljs-string">'becoming'</span>, <span class="hljs-string">'in'</span>))<span class="hljs-comment">//true</span> <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-title function_">isMatch</span>(<span class="hljs-string">'becoming'</span>, <span class="hljs-string">'in'</span>, <span class="hljs-literal">true</span>))<span class="hljs-comment">//false</span> <span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-title function_">isMatch</span>(<span class="hljs-string">'in car'</span>, <span class="hljs-string">'in'</span>, <span class="hljs-literal">true</span>))<span class="hljs-comment">//false</span>
中文的话直接indexOf查找,用\b正则查找不到内容
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