如何从java中的字符串中删除子字符串

Question

我需要预处理一个字符串并从中删除一些单词。我正在寻找的是： -

private static final String[] stopWords = { "is", "on", "of", "with"};
String s1 = "Tiger is Mammal with sharp teeth";
System.out.println("s1 = " + s1);  // "Tiger is Mammal with sharp teeth"
s1.remove(stopWords);  //remove should remove 'is' and 'with'  from s1
System.out.println("s1 = " + s1); // "Tiger Mammal sharp teeth"

我是编程新手，所以请考虑一下。

Answer 1

您可以使用regular expression：

执行此操作

s1 = s1.replaceAll("\\b(is|on|of|with)\\b","");

那会删除单词，但是留下两边的空格，所以之后你可能想用单身替换双空格：

s1 = s1.replace("  "," ");