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法律研究Posix 字符类 p{InGreek} Java 正则表达式
\p{InGreek} 类匹配希腊字符。
示例
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example1 {
public static void main(String args[]) {
//Reading String from user
System.out.println("Enter a string");
Scanner sc = new Scanner(System.in);
String input = sc.nextLine();
//Regular expression
String regex = "\p{InGreek}";
//Compiling the regular expression
Pattern pattern = Pattern.compile(regex);
//Retrieving the matcher object
Matcher matcher = pattern.matcher(input);
int count = 0;
while(matcher.find()) {
count++;
}
System.out.println("Number of Greek characters: "+count);
}
}输出
Enter a string sample text αγ ηθ ξψ Number of Greek characters: 6
示例
import java.util.Scanner;
public class Example {
public static void main(String args[]) {
//Reading String from user
System.out.println("Enter a string");
Scanner sc = new Scanner(System.in);
String input = sc.nextLine();
//Regular expression
String regex = "^.+\p{InGreek}.+";
boolean result = input.matches(regex);
if(result) {
System.out.println("Given string contains Greek characters");
} else {
System.out.println("Given string doesn’t contain Greek characters ");
}
}
}输出
Enter a string sample text αγ Given string contains Greek characters
更新于：2020 年 2 月 21 日
263 次查看
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