StrToIntDef

Convert a string to an integer value, with a default value.

Declaration

Source position: sysstrh.inc line 143

Description

StrToIntDef will convert a string to an integer. If the string contains invalid characters or has an invalid format, then Default is returned.

To be successfully converted, a string can contain a combination of numerical characters, possibly preceded by a minus sign (-). Spaces are not allowed.

Errors

None.

See also

Example

Program Example82;
{$mode objfpc}
{ This program demonstrates the StrToInt function }
Uses sysutils;
Begin
 Writeln (StrToIntDef('1234',0));
 Writeln (StrToIntDef('-1234',0));
 Writeln (StrToIntDef('0',0));
 Try
 Writeln (StrToIntDef('12345678901234567890',0));
 except
 On E : EConvertError do
 Writeln ('Invalid number encountered');
 end;
End.

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Documentation generated on: May 14 2021