Benchmark: RegEx.test vs Array.forEach Array.find Email cashing test:

RegEx.test vs Array.forEach Array.find Email cashing test: (version: 1)

Comparing performance of: RegEx.test correct short email vs Array.foreach correct short email vs Array.find corect short email vs RegEx.test correct long email vs Array.foreach correct long email vs Array.find corect long email vs RegEx.test incorrect short email vs Array.foreach incorrect short email vs Array.find incorect short email vs RegEx.test incorrect long email vs Array.foreach incorrect long email vs Array.find incorect long email

Created: 4 months ago by: Registered User

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HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const regex = /^(?!\.|\s)(?!.*\.\.)[\p{L}\d._%+-]+?[^.@]@(?!-)[\p{L}\d.-]+[^-]\.[a-zA-Z]{2,5}$/u;
const string1 = "lue-ka@gmail.com";
const string2 = "qanethravathweirwew234234234is-c@hl.COM";
const string3 = "lue-kaИ.3@gmail$$.com";
const string4 = "lue-kaИ.3lue-kaИ.3lue-kaИ.3lue-kaИ.3@gmail$$.com";

const cashe1 = {
    'lue-ka@gmail.com': true
};

const cashe2 = {
    "qanethravathweirwew234234234is-c@hl.COM": true
};
const cashe3 = {
    "lue-kaИ.3@gmail$$.com": false
};
const cashe4 = {
    "lue-kaИ.3lue-kaИ.3lue-kaИ.3lue-kaИ.3@gmail$$.com": false
};

const array1 = [cashe2, cashe3, cashe4, cashe1];
const array2 = [cashe3, cashe1, cashe4, cashe2];
const array3 = [cashe2, cashe1, cashe4, cashe3];
const array4 = [cashe2, cashe1, cashe3, cashe4];

Tests:

RegEx.test correct short email
regex.test(string1);
Array.foreach correct short email
array1.forEach(obj => { if (string1 in obj) { return obj[string1]; // Push the value associated with the key } });
Array.find corect short email
const result = array1.find(obj => string1 in obj); const isValide = result ? result : !result
RegEx.test correct long email
regex.test(string2);
Array.foreach correct long email
array2.forEach(obj => { if (string2 in obj) { return obj[string2]; // Push the value associated with the key } });
Array.find corect long email
const result = array2.find(obj => string2 in obj); const isValide = result ? result : !result
RegEx.test incorrect short email
regex.test(string3);
Array.foreach incorrect short email
array3.forEach(obj => { if (string3 in obj) { return obj[string3]; // Push the value associated with the key } });
Array.find incorect short email
const result = array3.find(obj => string3 in obj); const isValide = result ? result : !result
RegEx.test incorrect long email
regex.test(string4);
Array.foreach incorrect long email
array4.forEach(obj => { if (string4 in obj) { return obj[string4]; // Push the value associated with the key } });
Array.find incorect long email
const result = array4.find(obj => string4 in obj); const isValide = result ? result : !result

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
RegEx.test correct short email
Array.foreach correct short email
Array.find corect short email
RegEx.test correct long email
Array.foreach correct long email
Array.find corect long email
RegEx.test incorrect short email
Array.foreach incorrect short email
Array.find incorect short email
RegEx.test incorrect long email
Array.foreach incorrect long email
Array.find incorect long email

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser/OS: Firefox 133 on Windows

View result in a separate tab

Test name	Executions per second
RegEx.test correct short email	9063225.0 Ops/sec
Array.foreach correct short email	15810079.0 Ops/sec
Array.find corect short email	19165648.0 Ops/sec
RegEx.test correct long email	4336431.0 Ops/sec
Array.foreach correct long email	13661151.0 Ops/sec
Array.find corect long email	15322855.0 Ops/sec
RegEx.test incorrect short email	951179.1 Ops/sec
Array.foreach incorrect short email	18163936.0 Ops/sec
Array.find incorect short email	18821190.0 Ops/sec
RegEx.test incorrect long email	398053.8 Ops/sec
Array.foreach incorrect long email	17862200.0 Ops/sec
Array.find incorect long email	18181466.0 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated 4 months ago):

LLMs can make mistakes. Check important info.

The benchmark provided measures the performance of different methods used to validate email addresses in JavaScript, specifically comparing the use of regular expressions (RegEx) against different array methods (`forEach` and `find`). The goal is to see how efficiently these approaches can validate both correct and incorrect email addresses.

### Discussed Options:

1. **Regular Expressions (`RegEx.test`)**:
   - **Description**: This is a method to test if a string matches a certain regular expression pattern. In this benchmark, the regex pattern is designed to validate email addresses based on specific criteria.
   - **Example**: 
     - `regex.test(string1);` checks if `string1` ("lue-ka@gmail.com") is a valid email according to the regex.
   - **Pros**:
     - Efficient for validating strings against complex patterns with a single method call.
     - Can be concise and readable for simple validations.
   - **Cons**:
     - Regular expressions can become complex and hard to read or maintain for intricate patterns.
     - Potentially slower performance for very complex matches compared to simpler methods.

2. **Array Method - `forEach`**:
   - **Description**: This method executes a provided function once for each array element. In this case, it checks if the email exists in a cached object using the `in` operator.
   - **Example**:
     - `array1.forEach(obj => { if (string1 in obj) { return obj[string1]; } });`
   - **Pros**:
     - Suitable for scenarios where the email checks are done against a cached list which might change frequently.
     - Easy to understand and use; can be more transparent for developers unfamiliar with regex syntax.
   - **Cons**:
     - Performance may suffer as `forEach` iteratively checks each object in the array until it finds a match.
     - Does not stop execution once a match is found (not efficient for larger arrays).

3. **Array Method - `find`**:
   - **Description**: This method returns the value of the first element in the provided array that satisfies the provided testing function, or `undefined` if not found.
   - **Example**:
     - `const result = array1.find(obj => string1 in obj);`
   - **Pros**:
     - More elegant and potentially faster as it stops searching once it finds the first match.
     - Easier to manage and read compared to `forEach` because it suits the use-case where only the first valid entry is needed.
   - **Cons**:
     - Still involves iterating through the array which may lead to performance degradation compared to regex for large datasets.
   
### Considerations:
- **Performance**: The benchmark results show that `regex.test` for the correct short email performs significantly slower than `array.find` and `array.forEach`, indicating that while RegEx provides powerful validation capabilities, it may not be the most efficient for speed-critical applications.
  
- **Correct vs. Incorrect**: Each of the approaches is tested for both correct ("lue-ka@gmail.com") and incorrect email scenarios. It appears that all approaches can handle valid emails efficiently, while performance significantly drops for invalid emails processed with regex.

### Alternatives:
- **Direct String Methods**: Instead of relying on regex or array methods, one could use string methods like `indexOf()` or `includes()`. This could provide a simpler, although potentially less powerful, means of validation, focusing on whether certain characters exist in the string rather than fully validating the format.
  
- **Third-Party Libraries**: Libraries such as `validator.js` offer comprehensive email validation functionalities that handle complex cases, allowing for more flexibility and potentially better maintenance at the cost of additional dependency.

### Conclusion:
Overall, each approach to email validation has its strengths and weaknesses. Regular expressions provide a powerful pattern-matching utility but may be less performant for certain cases compared to direct array methods. On the other hand, array methods—particularly `find`—offer a more straightforward and often quicker means to check for existence in a collection, while `forEach` provides good readability but lacks efficiency in termination. Choosing the right method will depend largely on the specific application's needs, the typical format of email addresses being validated, and the importance of performance in the use case.

Related benchmarks:

RegEx.test vs Array.forEach Array.find Email cashing test: (version: 1)

Created: 4 months ago by: Registered User

Jump to the latest result

RegEx.test correct short email

Array.foreach correct short email

Array.find corect short email

RegEx.test correct long email

Array.foreach correct long email

Array.find corect long email

RegEx.test incorrect short email

Array.foreach incorrect short email

Array.find incorect short email

RegEx.test incorrect long email

Array.foreach incorrect long email

Array.find incorect long email

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated 4 months ago):