isAlpha
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Syntax | isAlpha(str) | Package | |
Alias | Pkg Usage |
Description
Returns "true" if the provided argument str is a string containing only letters.
Parameters
Parameter name | Type | Required | Description |
|---|---|---|---|
str | String | Yes | Specifies a character expression. |
Return Type
Boolean (true/false)
Examples
Example 1
wret = isAlpha("foobar");
print(wret);Print true
Example 2
wret = isAlpha("aaa2345f.ff");
print(wret);Print false
Example 3
wret = isAlpha("Once upon a time... !");
print(wret);Print false
IsAlpha returns "false" if the character string str contains blanks or special characters.
See also
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