Regular expression
[a-z]+
!@#$%^&*()+QWERTYUIOP{}ASDFGHJKL:"ZXCVBNM?1234567890-=
qwertyuiop
[]\asdfghjkl;'zxcvbnm,./
!@#$%^&*()+QWERTYUIOP{}ASDFGHJKL:"ZXCVBNM?1234567890-=
qwertyuiop
[]\
asdfghjkl
;'
zxcvbnm
,./