Character.IsLetterOrDigit Method
Definition
Important
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Overloads
IsLetterOrDigit(Char) |
Determines if the specified character is a letter or digit. |
IsLetterOrDigit(Int32) |
Determines if the specified character (Unicode code point) is a letter or digit. |
IsLetterOrDigit(Char)
Determines if the specified character is a letter or digit.
[Android.Runtime.Register("isLetterOrDigit", "(C)Z", "")]
public static bool IsLetterOrDigit (char ch);
[<Android.Runtime.Register("isLetterOrDigit", "(C)Z", "")>]
static member IsLetterOrDigit : char -> bool
Parameters
- ch
- Char
the character to be tested.
Returns
true
if the character is a letter or digit;
false
otherwise.
- Attributes
Remarks
Determines if the specified character is a letter or digit.
A character is considered to be a letter or digit if either Character.isLetter(char ch)
or Character.isDigit(char ch)
returns true
for the character.
<b>Note:</b> This method cannot handle supplementary characters. To support all Unicode characters, including supplementary characters, use the #isLetterOrDigit(int)
method.
Added in 1.0.2.
Java documentation for java.lang.Character.isLetterOrDigit(char)
.
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Applies to
IsLetterOrDigit(Int32)
Determines if the specified character (Unicode code point) is a letter or digit.
[Android.Runtime.Register("isLetterOrDigit", "(I)Z", "")]
public static bool IsLetterOrDigit (int codePoint);
[<Android.Runtime.Register("isLetterOrDigit", "(I)Z", "")>]
static member IsLetterOrDigit : int -> bool
Parameters
- codePoint
- Int32
the character (Unicode code point) to be tested.
Returns
true
if the character is a letter or digit;
false
otherwise.
- Attributes
Remarks
Determines if the specified character (Unicode code point) is a letter or digit.
A character is considered to be a letter or digit if either #isLetter(int) isLetter(codePoint)
or #isDigit(int) isDigit(codePoint)
returns true
for the character.
Added in 1.5.
Java documentation for java.lang.Character.isLetterOrDigit(int)
.
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.