StrStr Function

Locates the sub string in argument 2 in the input string. If found the function will return the character offset of the sub string. If not found the function will return -1.


Number Type Compulsory Default Description
1 string Yes Input string
2 string Yes Sub string
3 real No 0 Offset

Argument 1

String to search

Argument 2


Argument 3

Offset into search string where search should begin.


Return type: real

Number of characters from start of search string where sub string starts. -1 if substring is not found.