[String->IsBase] checks whether a specified character within the string object is one of the base characters of Unicode. If the parameter specifying the position of the character to be examined is omitted, then the default position 1 (or first character in the string object) is examined. The method returns True if the character is one of the base characters of Unicode or False otherwise.
Use the [String->IsBase] method. The following example returns True since the second character of the string is one of the base set of Unicode characters.
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