Package net.sf.saxon.number
Class Alphanumeric
- java.lang.Object
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- net.sf.saxon.number.Alphanumeric
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public class Alphanumeric extends java.lang.Object
This class contains static utility methods to test whether a character is alphanumeric, as defined by the rules of xsl:number: that is, whether it is in one of the Unicode categories Nd, Nl, No, Lu, Ll, Lt, Lm or Lo
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static int
getDigitValue(int in)
Determine whether a character represents a decimal digit and if so, which digit.static boolean
isAlphanumeric(int codepoint)
Determine whether a Unicode codepoint is alphanumeric, that is, whether it is in one of the categories Nd, Nl, No, Lu, Ll, Lt, Lm or Lo
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Method Detail
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isAlphanumeric
public static boolean isAlphanumeric(int codepoint)
Determine whether a Unicode codepoint is alphanumeric, that is, whether it is in one of the categories Nd, Nl, No, Lu, Ll, Lt, Lm or Lo- Parameters:
codepoint
- the codepoint to be tested- Returns:
- true if the codepoint is in one of these categories
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getDigitValue
public static int getDigitValue(int in)
Determine whether a character represents a decimal digit and if so, which digit.- Parameters:
in
- the Unicode character being tested.- Returns:
- -1 if it's not a decimal digit, otherwise the digit value.
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