Findb
Type Function: INT¶
| Input STR1 | STRING (String input) |
| STR1 | STRING (String input) |
| Output | INT (position of last occurrence of STR2 in STR1) |
| The function FINDB searched for the presence of STR2 in STR1 and returns the last position of STR2 in STR1. | |
| If STR2 is not found, a 0 is returned. |

Example:
FINDB('abs12fir12bus12', '12') = 14