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CharIsLetterOrDigit Method (Char)
Indicates whether the specified Unicode character is categorized as a letter or a decimal digit.

Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
Syntax
C#
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public static bool IsLetterOrDigit(
	char c
)

Parameters

c
Type: SystemChar
The Unicode character to evaluate.

Return Value

Type: Boolean
true if c is a letter or a decimal digit; otherwise, false.
See Also