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str.match vs str.Split call
(version: 0)
Test String.match with regex against String.split with string. We are splitting a string at the spaces.
Comparing performance of:
String.split vs Regex.match
Created:
2 years ago
by:
Guest
Go to the latest result
Script Preparation code:
string = "CC^CONTROL_PLUGIN_AVCHAT_ONGOING_1701008141b175cec199b8195227d58bca58d18fd61ef78302"; regex = /CC\^CONTROL_PLUGIN_([A-Z]+)_([A-Z]+)/gi;
Tests:
String.split
string.split("_")
Regex.match
string.match(regex)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
String.split
Regex.match
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0
Browser/OS:
Firefox 121 on Ubuntu
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=494330" width="100%" height="500px"></iframe>
Regex.match
15.1M/s
String.split
8.3M/s
View exact numbers
Test name
Executions per second
✓
Regex.match
15,086,938 Ops/sec
String.split
8,299,034 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Name:** str.match vs str.Split call **Description:** This benchmark compares the performance of two string processing methods: `str.match` with regular expressions against `str.split` without any separators. **Options Compared:** 1. **String.match with regex**: Uses a regular expression to search for a pattern in the input string. 2. **String.split without separators**: Splits the input string into an array of substrings using spaces as delimiters. **Pros and Cons:** * `str.match`: + Pros: Can efficiently search for complex patterns, fast execution time. + Cons: May be slower than `str.split` for simple string manipulation tasks. * `str.split`: + Pros: Fast execution time, suitable for simple string splitting tasks. + Cons: Can be slower for more complex pattern searches. **Library:** None This benchmark doesn't use any external libraries. The `str.match` method is a built-in JavaScript function that uses regular expressions under the hood. **Special JS Feature/Syntax:** None mentioned in this benchmark, but if we were to expand it, we might discuss the following: * JavaScript's String.prototype methods (e.g., match(), split()) use regular expressions internally. * The use of `i` flag at the end of the regex (`/CC\\^CONTROL_PLUGIN_([A-Z]+)_([A-Z]+)/gi`) indicates case-insensitive search and global matching. **Other Alternatives:** If you need to compare string processing performance in JavaScript, other alternatives might include: 1. Using a library like RegEx.js or Regexpr for more advanced regex capabilities. 2. Comparing the performance of other string manipulation methods, such as `str.replace()`, `str.indexOf()`, or `str.lastIndexOf()`. 3. Testing different string encoding formats (e.g., UTF-8, ISO-8859-1) to see their impact on performance. I hope this explanation helps you understand what's being tested in the provided benchmark!
Related benchmarks
str.match vs str.Split(regex)
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