Matcher類的hitEnd()方法用于檢查此匹配器上的模式匹配是否已停止。當在匹配器中找不到更多匹配的組時，匹配結束。此方法返回一個聲明相同的布爾值。

用法:

public boolean hitEnd()

參數：此方法不帶參數。

返回值：此方法返回一個布爾值，說明此匹配器是否已完成匹配。

下面的示例說明Matcher.hitEnd()方法：

示例1:

// Java code to illustrate hitEnd() method

import java.util.regex.*;

public class GFG {

public static void main(String[] args)

{

// Get the regex to be checked

String regex = "(Geeks)";

// Create a pattern from regex

Pattern pattern

= Pattern.compile(regex);

// Get the String to be matched

String stringToBeMatched

= "GeeksForGeeks Geeks for For Geeks Geek";

// Create a matcher for the input String

Matcher matcher

= pattern.matcher(stringToBeMatched);

while (matcher.find()) {

System.out.println("Group matched: "

+ matcher.group());

// Check if the matching has ended

// using hitEnd() method

System.out.println("Has matching hit end: "

+ matcher.hitEnd());

}

// Check if the matching has ended

// using hitEnd() method

System.out.println("Has matching hit end: "

+ matcher.hitEnd());

}

}

輸出：

Group matched: Geeks

Has matching hit end: false

Group matched: Geeks

Has matching hit end: false

Group matched: Geeks

Has matching hit end: false

Group matched: Geeks

Has matching hit end: false

Has matching hit end: true

示例2:

// Java code to illustrate hitEnd() method

import java.util.regex.*;

public class GFG {

public static void main(String[] args)

{

// Get the regex to be checked

String regex = "(GFG)";

// Create a pattern from regex

Pattern pattern

= Pattern.compile(regex);

// Get the String to be matched

String stringToBeMatched

= "GFGFGFGFGFGFGFGFGFG FGF GFG GFG FGF";

// Create a matcher for the input String

Matcher matcher

= pattern.matcher(stringToBeMatched);

while (matcher.find()) {

System.out.println("Group matched: "

+ matcher.group());

// Check if the matching has ended

// using hitEnd() method

System.out.println("Has matching hit end: "

+ matcher.hitEnd());

}

// Check if the matching has ended

// using hitEnd() method

System.out.println("Has matching hit end: "

+ matcher.hitEnd());

}

}

輸出：

Group matched: GFG

Has matching hit end: false

Group matched: GFG

Has matching hit end: false

Group matched: GFG

Has matching hit end: false

Group matched: GFG

Has matching hit end: false

Group matched: GFG

Has matching hit end: false

Group matched: GFG

Has matching hit end: false

Group matched: GFG

Has matching hit end: false

Has matching hit end: true

總結

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