Package org.eclipse.rdf4j.common.text
Class ASCIIUtil
java.lang.Object
org.eclipse.rdf4j.common.text.ASCIIUtil
Utility methods for ASCII character checking.
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic booleanisHex(int c) Check whether the supplied character is a Hexadecimal character.static booleanisLetter(int c) Checks whether the supplied character is a letter.static booleanisLetterOrNumber(int c) Checks whether the supplied character is a letter or number.static booleanisLowerCaseLetter(int c) Checks whether the supplied character is an lower-case letter.static booleanisNumber(int c) Checks whether the supplied character is a number.static booleanisUpperCaseLetter(int c) Checks whether the supplied character is an upper-case letter.
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Constructor Details
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ASCIIUtil
public ASCIIUtil()
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Method Details
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isLetterOrNumber
public static boolean isLetterOrNumber(int c) Checks whether the supplied character is a letter or number.- Parameters:
c- character- Returns:
- true if the character is a letter or a number
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isLetter
public static boolean isLetter(int c) Checks whether the supplied character is a letter.- Parameters:
c- character- Returns:
- true if the character is in the range [a-z] or [A-Z]
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isUpperCaseLetter
public static boolean isUpperCaseLetter(int c) Checks whether the supplied character is an upper-case letter.- Parameters:
c- character- Returns:
- true if the character is in the range [A-Z]
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isLowerCaseLetter
public static boolean isLowerCaseLetter(int c) Checks whether the supplied character is an lower-case letter.- Parameters:
c- character- Returns:
- true if the character is in the range [a-z]
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isNumber
public static boolean isNumber(int c) Checks whether the supplied character is a number.- Parameters:
c- character- Returns:
- true if the character is in the range [0-9]
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isHex
public static boolean isHex(int c) Check whether the supplied character is a Hexadecimal character.- Parameters:
c- character- Returns:
trueif c is a hexadecimal character,falseotherwise.
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