[Overview][Resource strings][Constants][Types][Procedures and functions][Index]

Reference for unit 'strutils' (#rtl)

NPos

Returns the position of the N-th occurrence of a substring in a string.

Declaration

Source position: strutils.pp line 150

function NPos(

const C: string;

S: string;

N: Integer

):Integer;

Arguments

`C`		Substring to search for
`S`		String to search.
`N`		Which position to return

Function result

Position of N-th occurrence of the substring, -1 if there is none.

Description

NPos checks S for the position of the N-th occurrence of C. If C occurs less than N times in S, or does not occur in S at all, 0 is returned. If N is less than 1, zero is returned.

Errors

None.