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Test regex
(version: 0)
Comparing performance of:
Regex Test vs String match
Created:
5 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var REGEX_URL;
Tests:
Regex Test
REGEX_URL.test("https://www.google.com?q=Georgi+Facello")
String match
"http://www.google.com?q=Georgi+Facello".match(REGEX_URL)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Regex Test
String match
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
4 months ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0
Browser/OS:
Chrome 143 on Mac OS X 10.15.7
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Test name
Executions per second
Regex Test
0.0 Ops/sec
String match
21187794.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the provided benchmark definition and test cases to explain what's being tested, compared, and the pros/cons of each approach. **Benchmark Definition** The benchmark definition is a JSON object that represents a script that will be executed during the benchmarking process. In this case, there are two benchmark definitions: 1. `REGEX_URL.test("https://www.google.com?q=Georgi+Facello")` 2. `"http://www.google.com/q=Georgi+Facello".match(REGEX_URL)` The first benchmark definition is testing a regular expression (regex) using the `test()` method of the regex object `REGEX_URL`. The input string is "https://www.google.com?q=Georgi+Facello". The second benchmark definition is testing the match() function on the string `"http://www.google.com/q=Georgi+Facello"` with the same regex object `REGEX_URL`. **Test Cases** There are two individual test cases: 1. "Regex Test" 2. "String match" These test cases are running the benchmark definitions provided earlier. **Options Compared** The two options being compared are: * Regex testing using `test()` method * String matching using `match()` function **Pros and Cons of Each Approach:** Regex testing using `test()` method: Pros: * Can be more efficient for testing regex patterns, especially if the pattern is complex. * Can be used to test the regex engine's performance. Cons: * May not be as accurate as other methods, since it only tests the regex engine's performance and does not consider other factors like human interpretation. * Requires a valid regex object `REGEX_URL`. String matching using `match()` function: Pros: * More accurate than regex testing, since it takes into account human interpretation of the string. * Can be used to test the match() function's performance. Cons: * May not be as efficient for testing complex regex patterns. * Requires a valid regex object `REGEX_URL`. **Library and Its Purpose** The regex object `REGEX_URL` is likely a custom object that contains a regex pattern. The purpose of this object is to provide a pre-defined regex pattern for testing, which can be used in both the benchmark definitions. **Special JS Feature or Syntax:** There is no special JavaScript feature or syntax mentioned in the provided code. However, it's worth noting that the `test()` method and `match()` function are built-in JavaScript methods for testing regular expressions. **Other Alternatives** Some alternative approaches to benchmarking regex patterns include: * Using a dedicated library like `regex-test` (Node.js) or `re2` (Python) * Implementing a custom regex engine from scratch * Using a testing framework that supports regex testing, such as Jest or Mocha It's worth noting that the choice of approach depends on the specific use case and requirements of the benchmark.
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