Availability
This routine is available starting with SIL Engine™ 1.0.
Syntax
isLower(str)
Description
Returns "true" if the provided argument str is a string containing only lowercase letters.Parameters
Parameter name | Type | Required | Description |
---|---|---|---|
str | string | Yes | Specifies a character expression. |
Return type
boolean (true/false)
Example
Example 1
wret = isLower("foobar"); print(wret);
Print true
Example 2
wret = isLower("aaa2345f.ff"); print(wret);
Print false
Example 3
wret = isLower(""); print(wret);
Print false
Notes
isLower returns "false" if the character string str contains blanks or special characters or is a null string.
See also