Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
jsreplaceandregex
(version: 0)
test javascript replace and regex benchmark
Comparing performance of:
replace vs regexAll vs replaceall vs regex
Created:
2 years ago
by:
Guest
Jump to the latest result
Tests:
replace
"-$1,3020.00-".replace("-", "").replace("(", "").replace(")", "")
regexAll
"-$1,3020.00-".replace(/[()-]/g,"")
replaceall
"-$1,3020.00-".replaceAll("-", "").replaceAll("(", "").replaceAll(")", "")
regex
"-$1,3020.00-".replace(/[()-]/,"")
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
Fork
Test case name
Result
replace
regexAll
replaceall
regex
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:125.0) Gecko/20100101 Firefox/125.0
Browser/OS:
Firefox 125 on Windows
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=521525" width="100%" height="500px"></iframe>
Test name
Executions per second
replace
10074870.0 Ops/sec
regexAll
9941091.0 Ops/sec
replaceall
6706341.0 Ops/sec
regex
17314674.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the benchmark and its components. **Benchmark Definition** The benchmark is defined by a JSON object with the following properties: * `Name`: A unique name for the benchmark, which in this case is "jsreplaceandregex". * `Description`: A brief description of the benchmark. * `Script Preparation Code` and `Html Preparation Code`: These are optional fields that can be used to prepare the script or HTML code before running the benchmark. In this case, they are empty. **Test Cases** The benchmark consists of four test cases, each defined by a JSON object with the following properties: * `Benchmark Definition`: A string that represents the JavaScript expression to be executed. The string is enclosed in double quotes and contains one or more special characters (e.g., `-`, `(`, `)`). * `Test Name`: A name for the test case. The four test cases are: 1. "replace": Replaces all occurrences of "-" with "" using the `replace()` method. 2. "regexAll": Replaces all occurrences of "-" with "" and replaces all parentheses with empty strings using regular expressions (`/(-)/g`). 3. "replaceall": Replaces all occurrences of "-" with "" and replaces all parentheses with empty strings, similar to `regexAll`, but with the `replaceAll()` method. 4. "regex": Replaces all occurrences of "-" with "" and replaces all parentheses with empty strings using regular expressions (`/(-)/`). **Options Compared** The four test cases compare different approaches to replacing special characters in a string: * `replace()`: The built-in JavaScript method for replacing substrings. * `replaceAll()`: A method that is similar to `replace()` but performs an all-or-nothing replacement. * `regexAll` and `regex`: Use regular expressions (`/(-)/g` or `/(-)/`) to replace special characters. **Pros and Cons** Here are some pros and cons of each approach: * `replace()`: Pros: Simple, efficient, and widely supported. Cons: May not be suitable for all use cases (e.g., when using Unicode characters). * `replaceAll()`: Pros: All-or-nothing replacement can be convenient in certain situations. Cons: Can be slower than `replace()` and may not support Unicode characters. * `regexAll` and `regex`: Pros: Flexible and powerful, but can be slower due to the overhead of regular expressions. Cons: May require more expertise to use correctly. **Library** The benchmark does not explicitly mention a library, but it uses the `replaceAll()` method, which is part of the JavaScript standard library. Regular expressions (`/(-)/g` or `/(-)/`) are also part of the standard library. **Special JS Feature/Syntax** There are no special JS features or syntax mentioned in the benchmark definition or test cases. **Other Alternatives** Some alternative approaches to replacing special characters in a string include: * Using `substring()` and `split()`: This approach can be slower than the built-in methods but provides more control over the replacement process. * Using a third-party library like jQuery: This approach can provide additional features and flexibility, but may also introduce dependencies and overhead. Keep in mind that these alternatives are not mentioned in the benchmark definition or test cases.
Related benchmarks:
replaceAll vs regex replace made in beethovben
replaceAll vs regex replace . with ,
regex replaceAll vs regex replace
JS replaceAll vs regex replace
jsreplace
Comments
Confirm delete:
Do you really want to delete benchmark?