How do I remove trailing zeros from a decimal number?

I can't find anything in the text() function that will do this per se, though I could be wrong. The only solution I can think of will rely on looping, though someone else might know of something more lightweight. But this should work.

1) make a rule consisting of this, which will remove the right-most character only if it's 0:
rule!removeTrailingZeros_sub -
if(
and(
or(
ri!text[ri!index] = "0",
ri!text[ri!index] = "."
),
len(ri!text) = ri!index,
find(".", ri!text) <> 0
),

replace(
ri!text,
ri!index,
1,
""
),
ri!text
)

Then in the parent, enter the following:
reduce(
rule!removeTrailingZeros_sub(
text: _,
index: _
),
ri!text,
reverse(
enumerate(len(ri!text))+1
)
)

Basically this looping rule will step backwards through every character of the entered string and remove trailing zeroes - but only when they're after the decimal point. I tweaked it so that if there are ONLY zeros after the decimal, it also removes the decimal, though you could potentially tweak it to other behavior like leaving behind one or two zeros, etc.

I can't find anything in the text() function that will do this per se, though I could be wrong. The only solution I can think of will rely on looping, though someone else might know of something more lightweight. But this should work.

1) make a rule consisting of this, which will remove the right-most character only if it's 0:
rule!removeTrailingZeros_sub -
if(
and(
or(
ri!text[ri!index] = "0",
ri!text[ri!index] = "."
),
len(ri!text) = ri!index,
find(".", ri!text) <> 0
),

replace(
ri!text,
ri!index,
1,
""
),
ri!text
)

Then in the parent, enter the following:
reduce(
rule!removeTrailingZeros_sub(
text: _,
index: _
),
ri!text,
reverse(
enumerate(len(ri!text))+1
)
)

Basically this looping rule will step backwards through every character of the entered string and remove trailing zeroes - but only when they're after the decimal point. I tweaked it so that if there are ONLY zeros after the decimal, it also removes the decimal, though you could potentially tweak it to other behavior like leaving behind one or two zeros, etc.