แม่แบบ:Isotopes/main/format-percent

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Usage

calls: {{Isotopes/main/format-percent/format-number}}

• The template returns a <blank> when the expected pattern is not found

1. remove prefix-[<≪]*

2. remove any suffix-% (NB suffix "%" is not required; % assumed anyway

3. check remaining value as number (bounce {{BaseConvert{{!}}10to10{{!}}number}})

4. WHEN not a number: return BLANK

5. rounds the number to 3 sigfig

6. dm: when n<0.01%, add prefix "<", when <0.001 add prefix "≪"

7. add suffix "%"

8. return

pattern: (<<≪)123.456( %) or (<≪)10e+6(%)

Other prefixes are not recognied (not "~", "ca.", ..); will return blank

FOR blank return, consider showing raw input:

{{if empty |1={{Isotopes/main/format-percent|raw-perc={{{raw-input|}}} }} |2={{{raw-input|}}} }}

{{Isotopes/main/format-percent
|raw-perc =
|type     =na, dm
}}