Matcher 在 Java 中使用 TransparentBounds(布尔)方法，示例
原文:https://www . geesforgeks . org/matcher-usetransparentbounds boolean-in-Java-method-with-examples/
匹配器类的使用透明边界(布尔)方法设置该匹配器的透明边界。通过透明边界，这意味着如果透明边界设置为真，匹配器将在区域边界之外匹配匹配模式以获得匹配。此方法返回一个具有修改后的透明边界的匹配器。
语法:
public boolean useTransparentBounds(
boolean setTransparentBounds)
参数:这个方法取一个参数 setTransparentBounds ，这个参数是一个描述这个匹配器的透明边界的布尔值。
返回值:这个方法返回一个匹配器，修改后的透明边界。
下面的例子说明了 Matcher.useTransparentBounds()方法:
例 1:
// Java code to illustrate useTransparentBounds() 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);
// set the transparent bounds to true
// using useTransparentBounds() method
matcher = matcher
.useTransparentBounds(true);
// Check if this matcher
// has transparent bounds or not
System.out.println("Does this matcher"
+ " has transparent bounds: "
+ matcher.hasTransparentBounds());
}
}
输出:
Does this matcher has transparent bounds: true
例 2:
// Java code to illustrate useTransparentBounds() method
import java.util.regex.*;
public class GFG {
public static void main(String[] args)
{
// Get the regex to be checked
String regex = "(FGF)";
// Create a pattern from regex
Pattern pattern
= Pattern.compile(regex);
// Get the String to be matched
String stringToBeMatched
= "FGF GFG GFG FGF";
// Create a matcher for the input String
Matcher matcher
= pattern.matcher(stringToBeMatched);
// set the transparent bounds to true
// using useTransparentBounds() method
matcher = matcher
.useTransparentBounds(false);
// Check if this matcher
// has transparent bounds or not
System.out.println("Does this matcher"
+ " has transparent bounds: "
+ matcher.hasTransparentBounds());
}
}
输出:
Does this matcher has transparent bounds: false
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