Programming-Idioms

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2016-11-27, 14:44:09

2016-11-27, 14:47:52

Idiom #22 Convert string to integer

Extract integer value i from its string representation s (in radix 10)

Extract integer value i from its string representation s (in radix 10)

int base

int base

uses SysUtils;

uses SysUtils;

var
  i: Integer;
 S: String;
begin
  S := '123';
  i := StrToInt(S);
end.

i := StrToInt(S);

The function StrToInt will raise an exception of type EConvertError if the string is not a proper representation of an integer.

The function StrToInt will raise an exception of type EConvertError if the string is not a proper representation of an integer.

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