BsonRegularExpression (mongo-java-driver 3.12.10 API)乐学网一站式学习平台

java.lang.Object
- org.bson.BsonValue
- - org.bson.BsonRegularExpression

```
public final class BsonRegularExpression
extends BsonValue
```
A holder class for a BSON regular expression, so that we can delay compiling into a Pattern until necessary.

Since:

3.0

Constructor Summary

Constructors
Constructor	Description
`BsonRegularExpression(String pattern)`	Creates a new instance with no options set.
`BsonRegularExpression(String pattern, String options)`	Creates a new instance

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object o)`
`BsonType`	`getBsonType()`	Gets the BSON type of this value.
`String`	`getOptions()`	Gets the options for the regular expression
`String`	`getPattern()`	Gets the regex pattern.
`int`	`hashCode()`
`String`	`toString()`

Methods inherited from class org.bson.BsonValue
asArray, asBinary, asBoolean, asDateTime, asDBPointer, asDecimal128, asDocument, asDouble, asInt32, asInt64, asJavaScript, asJavaScriptWithScope, asNumber, asObjectId, asRegularExpression, asString, asSymbol, asTimestamp, isArray, isBinary, isBoolean, isDateTime, isDBPointer, isDecimal128, isDocument, isDouble, isInt32, isInt64, isJavaScript, isJavaScriptWithScope, isNull, isNumber, isObjectId, isRegularExpression, isString, isSymbol, isTimestamp

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

- Constructor Detail
  - BsonRegularExpression
```
public BsonRegularExpression(String pattern,
                             String options)
```
    Creates a new instance
    
    Parameters:
    
    pattern - the regular expression Pattern
    
    options - the options for the regular expression
  - BsonRegularExpression
```
public BsonRegularExpression(String pattern)
```
    Creates a new instance with no options set.
    
    Parameters:
    
    pattern - the regular expression Pattern
- Method Detail
  - getBsonType
```
public BsonType getBsonType()
```
    Description copied from class: BsonValue
    
    Gets the BSON type of this value.
    
    Specified by:
    
    getBsonType in class BsonValue
    
    Returns:
    
    the BSON type, which may not be null (but may be BSONType.NULL)
  - getPattern
```
public String getPattern()
```
    Gets the regex pattern.
    
    Returns:
    
    the regular expression pattern
  - getOptions
```
public String getOptions()
```
    Gets the options for the regular expression
    
    Returns:
    
    the options.
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object