The FINDB function is to find the starting position of a text string from another text string.

**Syntax**: =FINDB(find_text, within_text, [start_num])

The FINDB function syntax has the following arguments:

**Find_text**(Required) The text you want to find.**Within_text**(Required): The text containing the text you want to find.**Start_num**(Optional) Specifies the character at which to start the search. The first character in within_text is character number 1. If you omit start_num, it is assumed to be 1.

**Example**: Let’s look at some Excel FINDB function examples and explore how to use the FINDB function as a worksheet function in Microsoft Excel:

**Syntax**: =FINDB(A2,B2,C2)

**Result**:

Based on the Excel spreadsheet above, the following FINDB examples would return:

**Syntax**: =FINDB(A3,B3,C3)

**Result**: 13

**Syntax**: =FINDB(A4,B4,C4)

**Result**: 10

**Syntax**: =FINDB(A5,B5,C5)

**Result**: 9

**Syntax**: =FINDB(A6,B6,C6)

**Result**: 15