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Regular Expression
r"""
<img[^>]*alt="([^"]+)"[^>]*>
"""
gm
Input 1
<span itemprop="description"> <img src="//res.smzdm.com/images/emotions/30.png" alt="[小怒]" class="wp-smiley"> <img src="//res.smzdm.com/images/emotions/30.png" alt="[小怒]" class="wp-smiley"> <img src="//res.smzdm.com/images/emotions/30.png" alt="[小怒]" class="wp-smiley"> 这文章百度哪里搬来的 </span> <span itemprop="description"> <img src="//res.smzdm.com/images/emotions/36.png" alt="[喜极而泣]" class="wp-smiley"> 年少无知看了那篇文章好奇买了4瓶 喝了一口差点吐出来 </span> <span itemprop="description">国内咋就没厂商做点纯气泡水呢，成本应该不高吧，钱都让屈臣氏巴黎水赚去了 <img src="//res.smzdm.com/images/emotions/23.png" alt="[皱眉]" class="wp-smiley"> </span> <span itemprop="description">小时候就经常煲来喝，利尿排毒 <img src="//res.smzdm.com/images/emotions/45.png" alt="[抽烟]" class="wp-smiley"> </span> <p class="p_content_166651051"><span itemprop="description">我喜欢香草味的，滑滑的感觉 </span></p> <p class="p_content_166650868"><span itemprop="description">我喝过好几箱，后来还回购了，再后来就喝不起了，太贵[皱眉] </span></p>
Extraction
<span itemprop="description"> <img src="//res.smzdm.com/images/emotions/30.png" alt="[小怒]" class="wp-smiley"> <img src="//res.smzdm.com/images/emotions/30.png" alt="[小怒]" class="wp-smiley"> <img src="//res.smzdm.com/images/emotions/30.png" alt="[小怒]" class="wp-smiley"> 这文章百度哪里搬来的 </span> <span itemprop="description"> <img src="//res.smzdm.com/images/emotions/36.png" alt="[喜极而泣]" class="wp-smiley"> 年少无知看了那篇文章好奇买了4瓶 喝了一口差点吐出来 </span> <span itemprop="description">国内咋就没厂商做点纯气泡水呢，成本应该不高吧，钱都让屈臣氏巴黎水赚去了 <img src="//res.smzdm.com/images/emotions/23.png" alt="[皱眉]" class="wp-smiley"> </span> <span itemprop="description">小时候就经常煲来喝，利尿排毒 <img src="//res.smzdm.com/images/emotions/45.png" alt="[抽烟]" class="wp-smiley"> </span> <p class="p_content_166651051"><span itemprop="description">我喜欢香草味的，滑滑的感觉 </span></p> <p class="p_content_166650868"><span itemprop="description">我喝过好几箱，后来还回购了，再后来就喝不起了，太贵[皱眉] </span></p>