>Some one can remind me how can I know if some letter appeared in the text?
>for example, if I want to know if 'a' appeared:
>?func('gskljklj') return .f. ('a' not appeared)
>?func('asdfaa') return .t. ('a' appeared)
>Thank

Chaim,

Have a look at: at() and atc()

?!empty(at('a', 'ipoipipo')) && false
?!empty(at('a', 'qwertyaa')) && true