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/OpenJDK 21

Class PatternSyntaxException

All Implemented Interfaces:
Serializable
public class PatternSyntaxException extends IllegalArgumentException
Unchecked exception thrown to indicate a syntax error in a regular-expression pattern.
Since:
1.4
See Also:

Constructor Summary

Constructor Description
PatternSyntaxException(String desc, String regex, int index)
Constructs a new instance of this class.

Method Summary

Modifier and Type Method Description
String getDescription()
Retrieves the description of the error.
int getIndex()
Retrieves the error index.
String getMessage()
Returns a multi-line string containing the description of the syntax error and its index, the erroneous regular-expression pattern, and a visual indication of the error index within the pattern.
String getPattern()
Retrieves the erroneous regular-expression pattern.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

PatternSyntaxException

public PatternSyntaxException(String desc, String regex, int index)
Constructs a new instance of this class.
Parameters:
desc - A description of the error
regex - The erroneous pattern
index - The approximate index in the pattern of the error, or -1 if the index is not known

Method Details

getIndex

public int getIndex()
Retrieves the error index.
Returns:
The approximate index in the pattern of the error, or -1 if the index is not known

getDescription

public String getDescription()
Retrieves the description of the error.
Returns:
The description of the error

getPattern

public String getPattern()
Retrieves the erroneous regular-expression pattern.
Returns:
The erroneous pattern

getMessage

public String getMessage()
Returns a multi-line string containing the description of the syntax error and its index, the erroneous regular-expression pattern, and a visual indication of the error index within the pattern.
Overrides:
getMessage in class Throwable
Returns:
The full detail message

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Documentation extracted from Debian's OpenJDK Development Kit package.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/regex/PatternSyntaxException.html