Benchmark: Regex vs string.includes 2 terms

Script Preparation code:

var template = "collection"

Tests:

regex
!/cart|product/.test(template)
includes
!template.includes("cart") && !template.includes("product")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
regex
includes

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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Let's break down the benchmark definition and test cases.

**What is being tested?**

The benchmark is comparing two approaches to check if a string contains certain terms: regular expressions (regex) and the `includes` method of strings in JavaScript.

**Options being compared:**

1. **Regex**: Uses regular expression patterns to match strings. This approach can be very flexible, but also computationally expensive.
2. **String.includes**: A built-in JavaScript method that checks if a string contains a specified substring or phrase. This approach is generally faster and more lightweight than regex.

**Pros and Cons:**

* **Regex:**
	+ Pros:
		- Can match complex patterns with multiple conditions
		- Can be used for both validation and search purposes
	- Cons:
		- Can be slow and resource-intensive, especially for large datasets
		- Can be error-prone if not implemented correctly
* **String.includes:**
	+ Pros:
		- Fast and lightweight
		- Easy to use and understand
	+ Cons:
		- Limited flexibility compared to regex
		- May not work well with certain edge cases (e.g., null or undefined strings)

**Library used:**

There is no explicit library mentioned in the benchmark definition. However, it's worth noting that both `regex` and `includes` methods use built-in JavaScript functions.

**Special JS feature/syntax:**

The benchmark doesn't appear to use any special JavaScript features or syntax beyond the standard `includes` method.

**Other alternatives:**

If you needed a more robust or efficient approach, other alternatives might include:

* **Using a dedicated regex engine**: Libraries like RegExp in Node.js or PCRE (Perl-Compatible Regular Expressions) can provide faster and more efficient regex matching.
* **Implementing a custom string search algorithm**: Depending on the specific requirements of your project, you might need to implement a custom search algorithm that balances performance with flexibility.

In conclusion, the benchmark is designed to compare two common approaches to string matching in JavaScript: regex and `includes`. The results can help developers understand the relative performance characteristics of each approach and make informed decisions about which one to use in their own projects.

Related benchmarks:

Regex vs string.includes 2 terms (version: 0)

Comparing performance of: regex vs includes

Created: 3 years ago by: Guest

Jump to the latest result

regex

includes

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):