subset function for string

[puzzlecracker]

basically, I need to find out wether charecters in string a are subset
of string b..


example

a: rx b:rwx
that shall return true.

 

[Victor Bazarov]

basically, I need to find out wether charecters in string a are subset
of string b..


example

a: rx b:rwx
that shall return true.

Take each character in 'a' and try finding it in 'b' (using 'find'
function), and if it fails, return false, otherwise return true after
doing the last character.

V

 

[puzzlecracker]

Take each character in 'a' and try finding it in 'b' (using 'find'
function), and if it fails, return false, otherwise return true after
doing the last character.

V

Thanks, but I have done something cuter:

string a,b;
.... // init both

a.find_first_not_of(b);