Pattern Splitting for space splittor : 字符串分割 « 数据类型 « Java

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Java » 数据类型 » 字符串分割

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Pattern Splitting for space splittor








import java.util.regex.Pattern;



public class Main {

  public static void main(String args[]) {



    Pattern p = Pattern.compile(" ");

    String tmp = "this is a test";



    String[] tokens = p.split(tmp);



    for (int i = 0; i < tokens.length; i++) {

      System.out.println(tokens[i]);

    }



  }

}

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4.	String.split(): " ".split(" ") -> {} (Empty array)
5.	String.split(): " ".split(" ") ->(Empty array too)
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7.	" ".split(" ") generates a NullPointerException
8.	Using split() with a space can be a problem
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10.	分割字符串使用String.split ( )
11.	Split by dot
12.	Special character needs to be escaped with a \
13.	Escape special character with a \
14.	保持空字符串
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24.	Split same string on commas and zero or more spaces.
25.	Split on word boundaries, but allow embedded periods and @.
26.	Split on various punctuation and zero or more trailing spaces.
27.	Parsing Character-Separated Data with a Regular Expression
28.	Parse a line whose separator is a comma followed by a space
29.	Parse a line with and's and or's

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