Class PatternSyntaxException

• java.lang.Object
• • java.lang.Throwable
  • • java.lang.Exception
    • • java.lang.RuntimeException
      • • java.lang.IllegalArgumentException
        • • java.util.regex.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

Constructors

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

Methods

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