利用...来字符检測(swift)

by 伍雪颖

let

test =

"LesvIo"

let

interval =

"a"

...

"z"

for

c

in

test {

   

if

!interval.

contains

(

String

(c)) {

       

println

(

"

\

(

c

) not lower"

)

    }

}