Extract All Numbers and Statistics from Any Text Extract all numbers from text with sum, average, min, and max statistics.

The tool's core functionality relies on a regular expression pattern defined as /-?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?/g, which is used to match numbers in the input string. This pattern is designed to handle various numeric formats, including decimal numbers and scientific notation, by supporting optional negative signs, integer digits, and exponent parts. When a match is found, the matched strings are parsed into numerical values using the Number() function, allowing for calculations to be performed on the extracted data.

In terms of calculation, it uses Array.reduce to compute the sum of the extracted numbers and then calculates the average by dividing the sum by the total count of numbers. Additionally, Math.min and Math.max functions are used to determine the minimum and maximum values from the list of extracted numbers. The results are stored in an array called stats, which contains a formatted string with the list of found numbers followed by a statistics summary section. This output is then returned as a single string, where each line is separated by a newline character (\n), making it easy to read and parse.

The tool's user interface is built using React, specifically the TextToolLayout component, which provides an input field for users to paste their text and a label to display the extracted numbers. The onProcess function, defined with useCallback from React, is called when the user submits their input, and it performs the actual number extraction and calculation. The use of useCallback ensures that the onProcess function is not recreated unnecessarily, which can help improve performance by reducing the number of times the component is re-rendered.