Package com.yahoo.language.process

Class CharacterClasses

java.lang.Object
com.yahoo.language.process.CharacterClasses
public class CharacterClasses extends Object
Determines the class of a given character. Use this rather than java.lang.Character.
Author:
bratseth

  • Constructor Summary

    Constructors
    Constructor
    Description
    CharacterClasses()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    isDigit(int c)
    Returns true for code points which should be considered digits - same as java.lang.Character.isDigit.
    boolean
    isLatin(int c)
    Returns true if this is a latin character
    boolean
    isLatinDigit(int c)
    Returns true if this is a latin digit (other digits are not consistently parsed into numbers by Java)
    boolean
    isLetter(int c)
    Returns true for code points which are letters in unicode 3 or 4, plus some additional characters which are useful to view as letters even though not defined as such in unicode.
    boolean
    isLetterOrDigit(int c)
    Convenience, returns isLetter(c) || isDigit(c)
    boolean
    isSentenceEnd(int c)
    Returns whether the given character is of a type used to mark the end of a sentence.
    boolean
    isSymbol(int c)
    Returns true if the character is in the class "other symbol" - emojis etc.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • CharacterClasses

      public CharacterClasses()

  • Method Details

    • isLetter

      public boolean isLetter(int c)
      Returns true for code points which are letters in unicode 3 or 4, plus some additional characters which are useful to view as letters even though not defined as such in unicode.

    • isSymbol

      public boolean isSymbol(int c)
      Returns true if the character is in the class "other symbol" - emojis etc.

    • isDigit

      public boolean isDigit(int c)
      Returns true for code points which should be considered digits - same as java.lang.Character.isDigit.

    • isLatinDigit

      public boolean isLatinDigit(int c)
      Returns true if this is a latin digit (other digits are not consistently parsed into numbers by Java)

    • isLatin

      public boolean isLatin(int c)
      Returns true if this is a latin character

    • isLetterOrDigit

      public boolean isLetterOrDigit(int c)
      Convenience, returns isLetter(c) || isDigit(c)

    • isSentenceEnd

      public boolean isSentenceEnd(int c)
      Returns whether the given character is of a type used to mark the end of a sentence.