Availability
This routine is available since katl-commons 3.0.5 .
Syntax:
isDigit(str)
Description:
Returns true if the provided argument str is a string containing only digits.Parameters:
Parameter name | Type | Required | Description |
|---|---|---|---|
str | string | Yes | Specifies a character expression. |
Return type:
boolean (true/false)
Example:
Example 1:
wret = isDigit("2345");
print(wret);
Print true
Example 2:
wret = isDigit("aaa2345f.ff");
print(wret);
Print false
Example 3:
wret = isDigit("2.34");
print(wret);
Print false
See also: