nospam0123456us wrote:
> I think it is even not enough for a complete solution, as each
> sub-expression is calculated by itself ex "1 + 3/5" should give 1.6
> your solution return 1.0 eval("1.0 + 3/5")
Good point. I changed the regex to deal with that case, see below.
>
> intermediate expression :
> "A + b / 5 + 7 * 6"
I'm only interested in purely numerical expressions.
Anyhow, the bigger issue isn't so much regex, but eval() which will reject
letters as undeclared variable
names
> You/I can also imagine some tricky expression like :
> "a + MyClass.elements[ 5/b ] + math.sin( 5 ) + ( 45 % 6 & 25 )"
The new regex can replace all integer numbers in the above expression, but -
again - eval fails on
undeclared variables.
Here's the new regex packaged in a function that clips a (multiline) selection
and appends the value of
each line to the selection:
input:
1/3
1 + 3/5
(1+1)/(4-1)
output:
1/3=0.333333
1 + 3/5=1.6
(1+1)/(4-1)=0.666667
code:
global CRLF=esc(?"\r\n",?"\")
....@selcalcpaste("","=")
function SelCalcPaste(sClip,sSep)
if( ""==sClip )do
clip.copy
sClip == clip.get
endif
local res=""
for each line i in sClip
res++=if(""!=res,CRLF);;+
++ifelse(""!=sSep,i++sSep,"");;+
++ftos(eval(;;+
regex.pcrereplace(?"(.*?)(?<![.,\d])(\d+)\b(?![.,])(.*?)";;+
,i,?"$1$2.0$3","anchored dotall");;+
))
endfor
clip.setpaste(res)
wait.for(50)
quit(res)
