mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-02-05 07:00:25 +08:00
48 lines
1.5 KiB
HTML
48 lines
1.5 KiB
HTML
|
<p>给你一个字符串 <code>s</code> 。</p>
|
|||
|
|
|
|||
|
|
<p>你的任务是重复以下操作删除 <strong>所有</strong> 数字字符：</p>
|
|||
|
|
|
|||
|
|
<ul>
|
|||
|
|
<li>删除 <strong>第一个数字字符</strong> 以及它左边 <strong>最近</strong> 的 <strong>非数字</strong> 字符。</li>
|
|||
|
|
</ul>
|
|||
|
|
|
|||
|
|
<p>请你返回删除所有数字字符以后剩下的字符串。</p>
|
|||
|
|
|
|||
|
|
<p> </p>
|
|||
|
|
|
|||
|
|
<p><strong class="example">示例 1：</strong></p>
|
|||
|
|
|
|||
|
|
<div class="example-block">
|
|||
|
|
<p><span class="example-io"><b>输入：</b>s = "abc"</span></p>
|
|||
|
|
|
|||
|
|
<p><span class="example-io"><b>输出：</b>"abc"</span></p>
|
|||
|
|
|
|||
|
|
<p><strong>解释：</strong></p>
|
|||
|
|
|
|||
|
|
<p>字符串中没有数字。<!-- notionvc: ff07e34f-b1d6-41fb-9f83-5d0ba3c1ecde --></p>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<p><strong class="example">示例 2：</strong></p>
|
|||
|
|
|
|||
|
|
<div class="example-block">
|
|||
|
|
<p><span class="example-io"><b>输入：</b>s = "cb34"</span></p>
|
|||
|
|
|
|||
|
|
<p><span class="example-io"><b>输出：</b>""</span></p>
|
|||
|
|
|
|||
|
|
<p><b>解释：</b></p>
|
|||
|
|
|
|||
|
|
<p>一开始，我们对 <code>s[2]</code> 执行操作，<code>s</code> 变为 <code>"c4"</code> 。</p>
|
|||
|
|
|
|||
|
|
<p>然后对 <code>s[1]</code> 执行操作，<code>s</code> 变为 <code>""</code> 。</p>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<p> </p>
|
|||
|
|
|
|||
|
|
<p><strong>提示：</strong></p>
|
|||
|
|
|
|||
|
|
<ul>
|
|||
|
|
<li><code>1 <= s.length <= 100</code></li>
|
|||
|
|
<li><code>s</code> 只包含小写英文字母和数字字符。</li>
|
|||
|
|
<li>输入保证所有数字都可以按以上操作被删除。</li>
|
|||
|
|
</ul>
|