What is shebang-regex?
The shebang-regex npm package is a simple utility that provides a regular expression for matching shebang lines in files. A shebang line is the first line in a script file that is used to indicate the script interpreter to be used to execute the file. It is commonly found at the top of script files in Unix-based systems and starts with '#!'. This package helps in identifying and extracting the shebang line from files.
What are shebang-regex's main functionalities?
Shebang line matching
The shebang-regex package exports a regular expression that matches the shebang line. Here's an example of how to use it in code to test if a string contains a shebang line: `const shebangRegex = require('shebang-regex'); console.log(shebangRegex.test('#!/usr/bin/env node')); // true`
/^#!.+/
Other packages similar to shebang-regex
shebang-command
The shebang-command package is similar to shebang-regex in that it is used to parse the shebang line from a file or string. However, it goes a step further by specifically extracting the command after the shebang. This can be useful for determining the interpreter that the script is intended to be run with.
hashbang-regex
The hashbang-regex package is another alternative that provides a regular expression for matching shebang lines. It is similar to shebang-regex but may have slight differences in implementation or regex patterns. Users might choose one over the other based on preference or specific use cases.