replaced http://codegolf.stackexchange.com/ with https://codegolf.stackexchange.com/
Jelly, 6 bytes
OI>0IẠ
Based on @sanchises' answer. answer.
Explanation
OI>0IẠ Input: string S
O Convert each char in S to an ordinal
I Get the increments between each pair
>0 Test if each is positive, 1 if true else 0
I Get the increments between each pair
Ạ Test if the list doesn't contain a zero, 1 if true else 0
Jelly, 6 bytes
OI>0IẠ
Based on @sanchises' answer.
Explanation
OI>0IẠ Input: string S
O Convert each char in S to an ordinal
I Get the increments between each pair
>0 Test if each is positive, 1 if true else 0
I Get the increments between each pair
Ạ Test if the list doesn't contain a zero, 1 if true else 0
Jelly, 6 bytes
OI>0IẠ
Based on @sanchises' answer.
Explanation
OI>0IẠ Input: string S
O Convert each char in S to an ordinal
I Get the increments between each pair
>0 Test if each is positive, 1 if true else 0
I Get the increments between each pair
Ạ Test if the list doesn't contain a zero, 1 if true else 0
Jelly, 6 bytes
OI>0IẠ
Based on @sanchises' answer.
Explanation
OI>0IẠ Input: string S
O Convert each char in S to an ordinal
I Get the increments between each pair
>0 Test if each is positive, 1 if true else 0
I Get the increments between each pair
Ạ Test if the list doesn't contain a zero, 1 if true else 0