PatternSyntaxException

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - java.lang.RuntimeException
    - - com.google.re2j.PatternSyntaxException

All Implemented Interfaces:

java.io.Serializable
```
public class PatternSyntaxException
extends java.lang.RuntimeException
```
An exception thrown by the parser if the pattern was invalid. Following java.util.regex.PatternSyntaxException, this is an unchecked exception.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`PatternSyntaxException(java.lang.String error)`
`PatternSyntaxException(java.lang.String error, java.lang.String input)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getDescription()`	Retrieves the description of the error.
`int`	`getIndex()`	Retrieves the error index.
`java.lang.String`	`getPattern()`	Retrieves the erroneous regular-expression pattern.

Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - PatternSyntaxException
```
public PatternSyntaxException(java.lang.String error,
                              java.lang.String input)
```
  - PatternSyntaxException
```
public PatternSyntaxException(java.lang.String error)
```
- Method Detail
  - 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 java.lang.String getDescription()
```
    Retrieves the description of the error.
    
    Returns:
    
    The description of the error
  - getPattern
```
public java.lang.String getPattern()
```
    Retrieves the erroneous regular-expression pattern.
    
    Returns:
    
    The erroneous pattern