Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
str.match vs str.Split (regex)
(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
Jump to the latest result
Script Preparation code:
string = "This https://mantine.dev/core/text/ also has a #hashtag"; urlPattern = /(\b(https?):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gi;
Tests:
String.split
string.split(urlPattern)
Regex.match
string.match(urlPattern)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
String.split
Regex.match
Fastest:
N/A
Slowest:
N/A
Latest run results:
No previous run results
This benchmark does not have any results yet. Be the first one
to run it!
Autogenerated LLM Summary
(model
gemma2:9b
, generated one year ago):
This benchmark compares two methods for extracting URLs from a string: `String.split()` using a regular expression and `String.match()` with the same regular expression. **Options Compared:** * **`string.split(urlPattern)`**: This method splits the input string wherever the `urlPattern` (a regular expression) is found. It returns an array of substrings, each representing a part of the original string separated by matches to the pattern. * **Pros**: Often considered more readable and straightforward for simple splitting tasks. * **Cons**: Can be less efficient than `match()` when dealing with complex patterns or numerous matches. * **`string.match(urlPattern)`**: This method searches the input string for the first occurrence of the `urlPattern` (a regular expression). It returns an array containing the matched substring and any captured groups defined within the regex. * **Pros**: Generally more performant than `split()` when finding a single match or handling complex patterns. * **Cons**: Returns only the first match; if you need all occurrences, you'll need additional processing. **Other Considerations:** * **Regular Expression Complexity**: The efficiency of both methods can be significantly influenced by the complexity of the regular expression used. Simpler expressions generally perform better. * **Desired Output**: If you need to extract *all* URLs from the string, `split()` is a suitable choice. However, if you only require the first URL, `match()` is more efficient. **Alternatives:** While less common for this specific use case, alternative libraries like: * **Cheerio**: A jQuery-like library for parsing HTML and extracting data (including URLs). * **DOMParser**: For parsing HTML content and accessing elements with their attributes (which may contain URLs). In essence, the benchmark highlights the performance differences between these common JavaScript string manipulation techniques. The choice between `split()` and `match()` depends largely on your specific requirements for URL extraction from a given string.
Related benchmarks:
str.match vs str.Split first result
str.match vs str.Split(regex)
str.match vs str.Split3322
str.match vs str.Split in regex
Comments
Confirm delete:
Do you really want to delete benchmark?