字符串到單詞的字符串[]

我需要拆分String並獲得單詞的String[]。我試過這個：字符串到單詞的字符串[]

String[] plain = plainText.split(" ,;<>/[(!)*=]");

但在我的情況下，這是行不通的。拆分後，數組plain仍然只有一個值，它是字符串plainText中的整個字符串。我的字符串如下所示：

<table class="content" border="0" cellpadding="0" cellspacing="0" style="width:540px;" bgcolor="#ffffff"> 
      <tr> 
       <td align="left" valign="top"> 
        <font color="#666666" face="Arial, Verdana" size="1"> 
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        <br /><br /> 

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       </td>

這是分析的電子郵件的一部分。那麼，我該如何將這些文字轉換成一系列文字呢？

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2013-04-16 Nikitin Mikhail

你想包含哪些單詞？ –

字符串數組應該是什麼樣子？什麼是預期的輸出？ –

你的意思是你想要忽略html標籤的文字？ – NewUser

此正則表達式是錯誤的，因爲它的一些字符是正則表達式控制字符（例如[，(，*等），並已被轉義以用作分裂分離器，還整個字符組必須被內包裝a []：

String[] plain = plainText.split("[ ,;<>/\\[\\(!\\)\\*=\\]]");

在Java regex here上閱讀更多信息。

編輯：從CPerkins跟進評論，你也可以使用這個表達式：

String[] plain = plainText.split("[\\s^\\W]+");

它所做的是它分裂的所有空格字符和所有非單詞字符，這是有點兒我想，你想要什麼。

NB：以上只是對您的問題的直接回答，有很多更好的方法來讀取/解析HTML。

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2013-04-16 14:30:09 maksimov

一個改進，但這將產生空白的多個空數組條目，新行將被視爲文本，而不是被剝奪。 – CPerkins

@CPerkins謝謝，用更短/清潔的正則表達式更新了答案。 – maksimov

不用擔心。好答案。很好，很乾淨。 – CPerkins

您可以使用Scanner類。你可以閱讀使用文字

while(scanner.hasNext()){}

類型構造。

鏈接：Scanner

來源

2013-04-16 14:33:23

String noTags = htmlString.replaceAll("\\<.*?\\>", ""); 
    String clearTxt = noTags.replaceAll("[ \t\n.,!;\\(\\)]+", " "); 
    String[] words = clearTxt.split(" ");

來源

2013-04-16 14:43:17 rebeliagamer

如果標籤中的文本（像urls可以被忽略），我喜歡這種方法，但是我把noTags.replaceAll（）切換到'「[^ \\ w] +」'放置出更多的非alpha字符。如果需要標記文本，@ maksimov的正則表達式可以被修改爲兩遍來清除它。 – n0741337

@rebeliagamer好得多，但你的條目有換行符。 n0741337的補充更正了這一點。 – CPerkins

什麼的Apache StringUtils.split一些變化？

來源

2013-04-16 15:59:59 Freiheit

字符串到單詞的字符串[]

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