$string
=
'f'
#1
|
substr
|
("abcdef", |
#2
|
substr
|
("abcdef", |
#3
|
substr
|
("abcdef", |
#4
|
substr
|
("abcdef", |
#5
|
substr
|
("abcdef", |
#6
|
substr
|
("abcdef", |
#7
|
substr
|
("abcdef", |
#8
|
substr
|
("abcdef", |
#9
|
substr
|
("abcdef", |
#10
|
substr
|
("abcdef", |
#11
|
substr
|
("abcdef", |
#12
|
substr
|
("abcdef", |
#13
|
substr
|
("pear", |
#14
|
substr
|
(54321, |
#15
|
substr
|
(true, |
#16
|
substr
|
(false, |
#17
|
substr
|
("", |
#18
|
substr
|
(1200, |
#19
|
substr
|
("a", |