isAlphaNumeric

Description

Returns "true" if the provided argument str is a string containing only letters and digits.

Boolean (true/false)

wret = isAlphaNumeric("foobar");
print(wret);

Print true

wret = isAlphaNumeric("aaa2345G");
print(wret);

Print false

wret = isAlphaNumeric("23asd.*;45");
print(wret);

Print false

isAlphaNumeric returns "false" if the character string str contains blanks or special characters or is a null string.

Peacock