如何用JavaScript高效提取字符串中的特定内容?
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本文共计115个文字,预计阅读时间需要1分钟。
pythonimport re
def extract_query_params(url): pattern=r'http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+' match=re.search(pattern, url) if match: return match.group(0) return None
url=http://www.nowcoder.com?key=1&key=2&key=3test=4result=extract_query_params(url)print(result)
gistfile1.txt/* * 要分离出url的查询参数 www.nowcoder.com?key=1&key=2&key=3&test=4#hehe * 不过要注意,如果url不带参数会报错 */ var url = "www.nowcoder.com?key=1&key=2&key=3&test=4#hehe"; var queryString = (url.split ( "?" )[ 1 ]).split ( "#" )[ 0 ];
本文共计115个文字,预计阅读时间需要1分钟。
pythonimport re
def extract_query_params(url): pattern=r'http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+' match=re.search(pattern, url) if match: return match.group(0) return None
url=http://www.nowcoder.com?key=1&key=2&key=3test=4result=extract_query_params(url)print(result)
gistfile1.txt/* * 要分离出url的查询参数 www.nowcoder.com?key=1&key=2&key=3&test=4#hehe * 不过要注意,如果url不带参数会报错 */ var url = "www.nowcoder.com?key=1&key=2&key=3&test=4#hehe"; var queryString = (url.split ( "?" )[ 1 ]).split ( "#" )[ 0 ];

