java.lang.Object
- org.eclipse.ditto.model.base.entity.id.RegexPatterns

```
public final class RegexPatterns
extends Object
```
This class provides regex patterns used for entity id validation.

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ALLOWED_CHARACTERS_IN_NAME`	Defines which characters are allowed to use in a name of an entity.
`static String`	`ALLOWED_CHARACTERS_IN_NAME_INCLUDING_DOLLAR`	Adds the $ to allowed characters.
`static String`	`ALLOWED_NAMESPACE_CHARACTERS_INCLUDING_DOT`	Adds the dot to allowed characters.
`static String`	`ALLOWED_NAMESPACE_CHARACTERS_REGEX`	Defines which characters are allowed to use in a namespace.
`static String`	`ENTITY_NAME_GROUP_NAME`	Name of the entity name group in the entity ID regex.
`static Pattern`	`ENTITY_NAME_PATTERN`	The compiled regex pattern for entity names.
`static String`	`ENTITY_NAME_REGEX`	The regex pattern for an Entity Name.
`static Pattern`	`ID_PATTERN`	The compiled regex pattern for namespaced entity IDs.
`static String`	`ID_REGEX`	The regex pattern for an Entity ID.
`static String`	`NAMESPACE_DELIMITER`	The delimiter between namespace and name in an entity ID.
`static String`	`NAMESPACE_GROUP_NAME`	Name of the namespace group in the entity ID regex.
`static Pattern`	`NAMESPACE_PATTERN`	The compiled regex pattern for namespaces.
`static String`	`NAMESPACE_REGEX`	The regex pattern for namespaces which validates that the namespace conforms the java package notation.
`static String`	`URI_PATH_SEGMENT`	First part of an entity name.
`static String`	`URI_PATH_SEGMENT_INCLUDING_DOLLAR`	Second part of an entity name: This part allows the $ symbol.
`static String`	`URL_ESCAPES`	Regex pattern that matches URL escapes.

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

- Field Detail
  - NAMESPACE_GROUP_NAME
```
public static final String NAMESPACE_GROUP_NAME
```
    Name of the namespace group in the entity ID regex.
    
    See Also:
    
    Constant Field Values
  - ALLOWED_NAMESPACE_CHARACTERS_REGEX
```
public static final String ALLOWED_NAMESPACE_CHARACTERS_REGEX
```
    Defines which characters are allowed to use in a namespace.
    
    See Also:
    
    Constant Field Values
  - ALLOWED_NAMESPACE_CHARACTERS_INCLUDING_DOT
```
public static final String ALLOWED_NAMESPACE_CHARACTERS_INCLUDING_DOT
```
    Adds the dot to allowed characters. Its defined as separate constant because namespaces are not allowed to start with dots.
    
    See Also:
    
    Constant Field Values
  - NAMESPACE_REGEX
```
public static final String NAMESPACE_REGEX
```
    The regex pattern for namespaces which validates that the namespace conforms the java package notation.
    
    See Also:
    
    Constant Field Values
  - NAMESPACE_DELIMITER
```
public static final String NAMESPACE_DELIMITER
```
    The delimiter between namespace and name in an entity ID.
    
    See Also:
    
    Constant Field Values
  - ENTITY_NAME_GROUP_NAME
```
public static final String ENTITY_NAME_GROUP_NAME
```
    Name of the entity name group in the entity ID regex.
    
    See Also:
    
    Constant Field Values
  - URL_ESCAPES
```
public static final String URL_ESCAPES
```
    Regex pattern that matches URL escapes. E.G. %3A for a colon (':').
    
    See Also:
    
    Constant Field Values
  - ALLOWED_CHARACTERS_IN_NAME
```
public static final String ALLOWED_CHARACTERS_IN_NAME
```
    Defines which characters are allowed to use in a name of an entity.
    
    See Also:
    
    Constant Field Values
  - ALLOWED_CHARACTERS_IN_NAME_INCLUDING_DOLLAR
```
public static final String ALLOWED_CHARACTERS_IN_NAME_INCLUDING_DOLLAR
```
    Adds the $ to allowed characters. Its defined as separate constant because names are not allowed to start with $.
    
    See Also:
    
    Constant Field Values
  - URI_PATH_SEGMENT
```
public static final String URI_PATH_SEGMENT
```
    First part of an entity name.
    
    See Also:
    
    Constant Field Values
  - URI_PATH_SEGMENT_INCLUDING_DOLLAR
```
public static final String URI_PATH_SEGMENT_INCLUDING_DOLLAR
```
    Second part of an entity name: This part allows the $ symbol.
    
    See Also:
    
    Constant Field Values
  - ENTITY_NAME_REGEX
```
public static final String ENTITY_NAME_REGEX
```
    The regex pattern for an Entity Name.
    
    See Also:
    
    Constant Field Values
  - ID_REGEX
```
public static final String ID_REGEX
```
    The regex pattern for an Entity ID. Combines "namespace" pattern (java package notation + a colon) and "name" pattern.
    
    See Also:
    
    Constant Field Values
  - NAMESPACE_PATTERN
```
public static final Pattern NAMESPACE_PATTERN
```
    The compiled regex pattern for namespaces.
  - ENTITY_NAME_PATTERN
```
public static final Pattern ENTITY_NAME_PATTERN
```
    The compiled regex pattern for entity names.
  - ID_PATTERN
```
public static final Pattern ID_PATTERN
```
    The compiled regex pattern for namespaced entity IDs.

Class RegexPatterns

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NAMESPACE_GROUP_NAME

ALLOWED_NAMESPACE_CHARACTERS_REGEX

ALLOWED_NAMESPACE_CHARACTERS_INCLUDING_DOT

NAMESPACE_REGEX

NAMESPACE_DELIMITER

ENTITY_NAME_GROUP_NAME

URL_ESCAPES

ALLOWED_CHARACTERS_IN_NAME

ALLOWED_CHARACTERS_IN_NAME_INCLUDING_DOLLAR

URI_PATH_SEGMENT

URI_PATH_SEGMENT_INCLUDING_DOLLAR

ENTITY_NAME_REGEX

ID_REGEX

NAMESPACE_PATTERN

ENTITY_NAME_PATTERN

ID_PATTERN