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