Re: [libreoffice-users] replace and text to number but no errors

If the reason for the error is the same every time, and you have a formula
for that particular situation, you can use IFERROR(), something like this:
=IFERROR(VALUE(SUBSTITUTE(C61,"MB",""));<Your in-case-of-error formula
here>)

For instance if the error causing cell just lacks the ”MB” string and
already is a pure number:
=IFERROR(VALUE(SUBSTITUTE(C61,"MB",""));C61)

If the first formula causes an error, the second formula will be used,
otherwise the first one.


Kind regards

Johnny Rosenberg


Den tis 15 juli 2025 kl 02:28 skrev Java Joe <ticktockdata@techie.com>:

> Better Solution?  Use REGEX to strip all characters except numbers and
> period.
>
> To make relatively bullet-proof and not show errors it's probably best
> implemented in 2 cells.
>
> My Example:
>      Cell E61:  =REGEX(C61, "[^0-9.]", "", "g")
>      Cell F61:  =IF(E61<>"", VALUE(E61), 0)
>
> Could be wrapped in a single expression, with repeated REGEXP function:
>      =IF(REGEX(C61, "[^0-9.]", "", "g") <>"", VALUE(REGEX(C61,
> "[^0-9.]", "", "g")), 0)
>
>
> Older versions of LO don't have REGEX function, here's a somewhat
> workable solution if that is needed:
>      =VALUE(IF(ISERR(FIND(" ", TRIM(C61), 1)), C61, MID(TRIM(C61), 1,
> FIND(" ", TRIM(C61), 1))))
>
>
> On 7/14/25 20:12, Steve Edmonds wrote:
> > There are a couple of solutions. I have "165.56 MB" in B2
> >
> > =VALUE(REGEX(B2,"\d+\.\d+")) will return as a number the 165.56.
> > \d+is one or more digits followed by \. a point followed by \d+ 1 or
> > more digits again. This always assumes that there is at least one
> > digit before and after the decimal.
> >
> > You can check if a valid number is returned and if not substitute 0.
> > =IF(ISNUMBER(VALUE(REGEX(B2,"\d+\.\d+"))),VALUE(REGEX(B2,"\d+\.\d+")),0)
> >
> > You could check if the right 2 letters are MB and if so perform your
> > substitution
> > =IF(RIGHT(B2,2) = "MB",VALUE(SUBSTITUTE(B2,"MB","")) ,0)
> >
> > On 15/07/2025 11:26, James wrote:
> > > I have text cells that contain "165.56 MB" or nothing.
> > > I use this formula to get the number:
> > > =VALUE(SUBSTITUTE(C61,"MB",""))
> > > The problem is some of the cells don't contain MB and then return
> > > "Err: 502".
> > > I want to sum the results but the Err: 502 make that fail.
>
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