[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'sysutils' (#rtl)

strpos

Find position of one null-terminated substring in another.

Declaration

Source position: syspchh.inc line 34

function strpos(

  str1: pchar;

  str2: pchar

):pchar;

function strpos(

  str1: pwidechar;

  str2: pwidechar

):pwidechar;

Description

Returns a pointer to the first occurrence of S2 in S1. If S2 does not occur in S1, returns Nil.

Errors

None.

See also

StrScan

  

Find first occurrence of a character in a null-terminated string.

StrRScan

  

Find last occurrence of a character in a null-terminated string.

Example

Program Example15;

Uses strings;

{ Program to demonstrate the StrPos function. }

Const P : PChar = 'This is a PChar string.';
      S : Pchar = 'is';
begin
  Writeln ('Position of ''is'' in P : ',sizeint(StrPos(P,S))-sizeint(P));
end.

Documentation generated on: May 14 2021