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str.match vs str.Split - for ip
(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:
3 years ago
by:
Guest
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Script Preparation code:
string1 = "192.168.1.1"; string2 = "77.31.1.101"; regex = /(\d+)\.(\d+)\.(\d+)\.(\d+)/gi;
Tests:
String.split
array1 = string1.split("."); array2 = string2.split(".");
Regex.match
string1.match(regex);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
String.split
Regex.match
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll explain the benchmark and its results in detail. **Benchmark Description** The benchmark is designed to compare the performance of two JavaScript methods: `String.match()` with regular expressions and `String.split()` for splitting strings at specific delimiters. **Options Being Compared** Two options are being compared: 1. **`String.match(regex)`**: This method uses a regular expression to search for a pattern in a string. In this case, the regular expression is `/\\d+\\.\\d+\\.\\d+\\.\\d+/gi`, which matches four digits followed by a dot, and repeats this pattern three times. 2. **`String.split(delimiter)`**: This method splits a string into an array of substrings using a specified delimiter. **Pros and Cons** * `String.match(regex)`: Pros: + Can be used for more complex string matching tasks. + Supports regular expressions, which can be useful for various text processing tasks. Cons: + Can be slower than `String.split()` for simple string splitting tasks. + Requires creating a regular expression object, which can add overhead. * `String.split(delimiter)` Pros: + Faster and more lightweight compared to `String.match(regex)`. + Simple and intuitive syntax. Cons: + Only supports splitting at specific delimiters; not suitable for complex string matching tasks. **Other Considerations** Both methods have limitations: * `String.match(regex)` requires the regular expression to be defined explicitly, which can add complexity. However, this method is more flexible and can handle various text processing tasks. * `String.split(delimiter)` is simpler but less versatile than `String.match(regex)`. It only splits at specific delimiters and does not support regular expressions. **Library Used** No external libraries are used in this benchmark. The `String.match()` and `String.split()` methods are built-in JavaScript methods. **Special JS Feature or Syntax** There is no special JavaScript feature or syntax used in this benchmark. The code only uses standard JavaScript features and syntax. **Alternative Approaches** Other approaches to splitting strings include: * Using the `Array.prototype.map()` method with a callback function. * Using the `String.replace()` method with a regular expression. * Using a third-party library for string manipulation, such as Lodash or Stringify.js. However, these alternatives are not used in this benchmark, and `String.split(delimiter)` is likely to be the most suitable approach for simple string splitting tasks.
Related benchmarks:
str.match vs str.Split first result
str.match vs str.Split(regex)
str.match vs str.Split - for ip - 2
str.match vs str.Split jllj lpk
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