String tokenizer logic ..(urgent)

Hi All,
I need to write a logic where a string consists of 4 zeroes(0) and space and again like this.I need to return true in case if this condition fullfils otherwise if there is any other digit apart (1 to 9 ) then i need to return false.

Regards
Neelesh

Quote:

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Originally Posted by neeleshust84

Hi All,
I need to write a logic where a string consists of 4 zeroes(0) and space and again like this.I need to return true in case if this condition fullfils otherwise if there is any other digit apart (1 to 9 ) then i need to return false.

Regards
Neelesh

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The right strings are thus: "0000 " , or "0000 0000 " and so on ?
or can the space be between the zeros?
If I have understood it correctly, you could use String.matches and regex, e.g.:

Code:

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        public boolean check(String s){
                return s.matches("(0{4} )+");
        }

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