| Package | Description | 
|---|---|
| org.apache.commons.lang3 | Provides highly reusable static utility methods, chiefly concerned with adding value to the  java.langclasses. | 
| Modifier and Type | Field and Description | 
|---|---|
| static CharSet | CharSet. ASCII_ALPHAA CharSet defining ASCII alphabetic characters "a-zA-Z". | 
| static CharSet | CharSet. ASCII_ALPHA_LOWERA CharSet defining ASCII alphabetic characters "a-z". | 
| static CharSet | CharSet. ASCII_ALPHA_UPPERA CharSet defining ASCII alphabetic characters "A-Z". | 
| static CharSet | CharSet. ASCII_NUMERICA CharSet defining ASCII alphabetic characters "0-9". | 
| static CharSet | CharSet. EMPTYA CharSet defining no characters. | 
| Modifier and Type | Field and Description | 
|---|---|
| protected static Map<String,CharSet> | CharSet. COMMONA Map of the common cases used in the factory. | 
| Modifier and Type | Method and Description | 
|---|---|
| static CharSet | CharSet. getInstance(String... setStrs)Factory method to create a new CharSet using a special syntax. | 
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