How about

C_BOOLEAN($0)
C_TEXT($1;$2)
$0:=(Replace string ($1; $2; *) = “”)

> On Jun 20, 2018, at 3:05 PM, stardata.info via 4D_Tech <4d_tech@lists.4d.com> 
> wrote:
> 
> I need to a function for use in a IF statement.
> For the moment, i have done a function that make a confront char by char.
> 
> Thanks
> Ferdinando
> 
> 
> Message: 1
> Date: Wed, 20 Jun 2018 13:38:22 -0400
> From: Chuck Miller<cjmil...@informed-solutions.com>
> To: 4DTechList Tech<4d_tech@lists.4d.com>
> Subject: Re: Uppercase Lowercase
> Message-ID:
>    <bde064c1-36c8-499e-ad31-a9a7a2ba5...@informed-solutions.com>
> Content-Type: text/plain;    charset=us-ascii
> 
> If using sql you can select case sensitivity, but be careful, as it will be 
> set for every sql query where clause
> 
> Regards
> 
> Chuck
> 
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