Functions

csInstr

Supported By

Syntax

[the] csInstr of ( haystack , needle )

csInstr ( haystack , needle )

Haystack and needle yield strings.

Description

The csInstr function returns the index of the first appearance of the string needle in the string haystack, starting at 1. If needle cannot be found in haystack, zero is returned.

This function is case-sensitive. For a case-insensitive version of this function, see instr. For a regular expression-based version of this function, see regInstr.

Note

This function is similar to csOffset, but the arguments are in reverse order.

See Also

instr, offset, csOffset, rinstr, csRinstr