Remove Line Numbers Strip line numbers from numbered text to restore the original content.

The tool works by splitting the input string into an array of lines using the `\n` character as a delimiter, and then mapping over each line to replace any matching number prefixes with an empty string. This replacement is done using the `replace` method with a regular expression that matches one or more digits optionally followed by whitespace and a separator character. The regex pattern `/^\s*\d+[\s.):;\-|]+/` used in the `onProcess` function ensures that most common line number formats are correctly identified and removed.

The use of React's `useCallback` hook memoizes the processing function, ensuring that the same instance is reused across renders, which can improve performance when dealing with large inputs by avoiding unnecessary re-renders. When the input string is processed, it is first split into lines using the `split('\n')` method, resulting in an array of strings where each string represents a line from the original input. Then, for each line, the `replace` method is called with the regex pattern to remove any matching number prefixes.

The algorithm implemented by the tool has a time complexity of O(n), where n is the number of lines in the input string, because it only requires a single pass over the input data to process all lines. The `TextToolLayout` component from the `@/components/shared/TextToolLayout` module handles rendering the input and output fields for the tool, with the `onProcess` function being called when the user submits their input. The processing function returns the modified string with line numbers removed, which is then displayed in the output field.

In terms of data structures, the tool uses arrays to store the lines of the input string after splitting it using the `\n` delimiter. It also uses strings to represent each line and the regex pattern used for matching number prefixes. The `join('\n')` method is then used to concatenate the processed lines back into a single string with newline characters, which is the final output of the tool. The use of TypeScript as the programming language provides type safety and helps catch errors at compile-time, ensuring that the tool is more reliable and easier to maintain.