如何在java中使用regex拆分带有项目符号的字符串(所有类型)

Question

下面是我的文字

 Welcome to java programming 1) Oops concepts a) Encapsulation A) Abstraction I) Inheritance  • Polymorphism
2)sample program on java 1.Project source code 
sample text files • sample.txt b)sam.txt

我想拆分文本基于以下模式，并删除项目符号

1)any bullet 1)I)a)A)•
2)followed by space
3)followed by uppercase word

因此，我希望生成以下结果

Welcome to java programming 
Oops concepts 
Encapsulation 
Abstraction
Inheritance  
Polymorphism
sample program on java
Project source code
Please suggest me how to do this
sample text files
sample.txt

sam.txt谢谢

Answer 1

这将会起作用：

public static void main(String[] args) throws Exception {
    final String s = "Welcome to java programming 1) Oops concepts a) Encapsulation A) Abstraction I) Inheritance  • Polymorphism";
    final String[] split = s.split("\\s*(\\w\\)|•)\\s*");
    for (final String bullet : split) {
        System.out.println(bullet);
    }
}

正则表达式是

\\s*(\\w\\)|•)\\s*

• \\s* -零个或多个spaces
• (\\w\\)|•) -后跟括号或项目符号的数字或字母point
• \\s* -零个或多个空格

输出：

Welcome to java programming
Oops concepts
Encapsulation
Abstraction
Inheritance
Polymorphism

Answer 2

下面的基于正则表达式的正则表达式应该对你有效：

String s = "Welcome to java programming 1) Oops concepts a) Encapsulation A) Abstraction I) Inheritance  • Polymorphism";
String[] arr = s.split("\\s*([a-zA-Z\\d][).]|•)\\s*(?=[A-Z])");
System.out.println("Split => " + Arrays.toString(tok));

输出：

Split => [Welcome to java programming, Oops concepts, Encapsulation, Abstraction, Inheritance, Polymorphism]

Answer 3

你也可以试试这个

String str="Welcome to java programming 1) Oops concepts a) Encapsulation A) Abstraction I) Inheritance  • Polymorphism" ;
    String newStr=str.replaceAll("(?i)\\s*([\\d\\w]\\)|•)\\s*"," ISseperatorIS ");
    String[] arr=newStr.split("ISseperatorIS ");
    for(String i:arr){
        System.out.println(i);
    }

输出输出

Welcome to java programming 
Oops concepts 
Encapsulation 
Abstraction 
Inheritance 
Polymorphism