環繞大括號XML標籤內的每個字匹配

Question

我有HTML字符串類似如下：

<whatevertag do-not-change-this="word" or-this-word=""> 
    these words should be replaced with a word inside braces, 
    and also the same word thing for 
    <whatevertag> 
     the nested tags that has the word 
    </whatevertag> 
</whatevertag> 

我試圖做這樣的輸出：

<whatevertag do-not-change-this="word" or-this-word=""> 
    these {word}s should be replaced with a {word} inside braces, 
    and also the same {word} thing for 
    <whatevertag> 
     the nested tags that has the {word} 
    </whatevertag> 
</whatevertag> 

我已經試過這表達式(>[^>]*?)(word)([^<]*?<)和替換我已經使用$1{$2}$3 ..令人驚訝的（至少對我來說）它只適用於第一場比賽，輸出是：

<whatevertag do-not-change-this="word" or-this-word=""> 
    these {word}s should be replaced with a word inside braces, 
    and also the same word thing for 
    <whatevertag> 
     the nested tags that has the {word} 
    </whatevertag> 
</whatevertag> 

爲什麼會發生這種情況。以及如何解決它？

Answer 1

的原因，你的正則表達式是unsuccessfull是：

(>[^>]*?)     # read '>', then lazily any character except '>' 
(word)      # until you encounter 'word' 
([^<]*?<)     # then lazily read any character except '<' until you find a '<' 

所以，當你捕獲「字」您正則表達式讀取，直到第一個「<」。這就是爲什麼第二個'單詞'沒有被捕獲。

什麼，你可以使用方法是：

(?:(?!word).)+(word) 

說明：

(?:       # Do not capture 
(?!word).)+     # Negative lookahead for word. Read 1 char 
(word)      # until you find 'word' 

看example

編輯：重讀你的問題，你說清楚，你想捕捉以外的一切the「tags。看看： example 2

的正則表達式是：

((?!word)[^>])+(word)([^<]+) # read all characters, except 
          # '>' until you encounter 'word' 
          # read 'word' 
          # capture all following characters, except '<'