Function IsAlpha() Foundation
Tests whether a character string begins with a letter.
IsAlpha( <cString> ) --> lBoolean
When the first character in <cString> is a letter, IsAlpha() returns .T. (true), otherwise it returns .F. (false).
The character function IsAlpha() tests whether the first character in a character string is a letter (an alphabetical character). Lower and upper case letters from A to Z are recognized as letters. In addition language dependent special characters like umlauts or ß, and Š are identified as alphabetical characters if the appropriate collation table is selected. If the first character is a digit, blank space, punctuation mark and other graphic character, IsAlpha() returns .F. (false).
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