问题描述
我要捕捉指定的所有标签'强'，我可以使用＆LT;强*＆LT;？/ STRONG＆GT; 这是工作得很好，但我不希望捕捉这些标签，如果'SPAN'的标签来在这些标签我想是这样＆LT; STRONG *（^（SPAN））*＆LT;？/ STRONG＆GT; 这是示例文本
i want to capture all tags named 'STRONG' i can use <STRONG.*?</STRONG> this is working just fine but i dont want to capture these tags if the 'SPAN' tags come in these tags i want something like <STRONG.*(^(SPAN)).*?</STRONG>this is the sample text
<STRONG> For technical <SPAN id=PageBreak>101</SPAN> please</STRONG>
<SPAN id=PageBreak type="4">56</SPAN><STRONG> visit</STRONG>
我要捕捉的第二强的标签，而不是第一个
i want to capture the second strong tag and not the first one
推荐答案
康拉德是正确的。
但如果你不关心即将到来的厄运，你可以尝试像
But in case you don't care about imminent doom you could try something like
/<STRONG>\w+?<\/STRONG>/
这将忽略STRONG标签，如果他们包围任何不是一个单词字符，如＆LT; 的'＆LT; SPAN＆GT; ，但无疑会失败的任何不寻常的...导致后面约一个注定要失败的尝试点
Which will ignore STRONG tags if they enclose anything that isn't a word character, such as the '<' of '<SPAN>', but will no doubt fail for anything out of the ordinary...leading back to the point about a doomed attempt.
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