| CharIsLetter Method (String, Int32) |
Indicates whether the character at the specified position in a specified string is categorized as a Unicode letter.
Namespace: System
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
SyntaxC#
public static bool IsLetter( string s, int index )
Parameters
- s
- Type: SystemString
A string. - index
- Type: SystemInt32
The position of the character to evaluate in s.
Return Value
Type: Booleantrue if the character at position index in s is a letter; otherwise, false.
Exceptions| Exception | Condition |
|---|---|
| ArgumentNullException | s is null. |
| ArgumentOutOfRangeException | index is less than zero or greater than the last position in s. |
See Also