native
isdigit
Syntax
native isdigit(ch);
Description
Returns whether a character is numeric.
Parameters
| ch | Character to test. |
|---|
Note
Multi-byte characters will always return false.
Return
True if character is numeric, otherwise false.
native
native isdigit(ch);
Returns whether a character is numeric.
| ch | Character to test. |
|---|
Multi-byte characters will always return false.
True if character is numeric, otherwise false.