Extract number

Pull plain decimal tokens from prose and optionally turn a trailing percent sign into a decimal proportion.

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ToolNumber Extractor
Input
Output
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Preview

How it works

A configurable regular expression recognizes ASCII digits with an optional minus sign and optional dot fraction. Percentage mode divides only percent-suffixed matches by 100, then all collected values feed integer and float lists plus a three-decimal sum and mean.

  • Negative and fractional forms are enabled initially because ordinary measurements and costs use both.
  • Percent conversion starts off, leaving 25% as the visibly written number 25 unless a proportion is requested.

Worked example

Extract numbers from text
Pull out all numeric values from a sentence
Input
											The server has 16 cores, 64GB RAM, and costs $12.50/hour.
Output
												Numbers: 16, 64, 12.5
Integers: 16, 64
Floats: 12.5
Count: 3
Sum: 92.5
Average: 30.833
Min: 12.5
Max: 64

When to use this

Invoice notes yield quantities and prices, capacity descriptions expose core and memory figures, and survey summaries convert percentages into proportions.

Edge cases

  • 1,234 becomes two values, 1 and 234, because comma thousands separators are outside the decimal grammar.
  • 1e6 becomes 1 and 6 because scientific notation is not parsed as one token.
  • With conversion selected, -20% produces -0.2 once instead of producing both -20 and -0.2.