Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Token from cookie
(version: 0)
Comparing performance of:
Regexp vs Split
Created:
3 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var cookie = 'intercom-id-mrtzdw2q=c2be8491-1730-4343-b16e-1c708643318e; token=eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiIsImtpZCI6IjhjMTgyMTY1YWNmN2U3Yjg3NzkwNzcxNWFmZWRiNzhmIn0.e30.McvbBVzvGzsawYch7ToCgtCrUicIQZ3_wNBV93fVBMm90JTldSpzdDgXd0eY7au1AxQst08mH-7FVy4C8wr4EQ; intercom-session=acj; intercom-session-mq=' var TOKEN_REGEXP = /token=(\S+)/
Tests:
Regexp
const [, token] = TOKEN_REGEXP.exec(cookie)
Split
const token = cookie?.split('token=')[1] ? cookie.split('token=')[1].split(';')[0] : undefined
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Regexp
Split
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
llama3.2:3b
, generated one year ago):
I'll break down the provided benchmark test cases for you. **Benchmark Overview** The benchmark is designed to measure the performance of two approaches: Regular Expressions (Regexp) and String Splitting (Split). **Options Compared** There are two options being compared: 1. **Regular Expressions (Regexp)**: * Purpose: Extract the token from a cookie string using a regular expression. * Approach: The `TOKEN_REGEXP` regular expression is used to match the "token" value in the cookie string. 2. **String Splitting (Split)**: * Purpose: Extract the token from a cookie string by splitting it at the "token=" boundary. **Pros and Cons** 1. **Regular Expressions (Regexp)** * Pros: + More flexible and powerful for complex pattern matching. + Can be used to extract multiple values from the same string. * Cons: + Can be slower due to the overhead of compiling a regular expression. + May require more memory to store the compiled regex. 2. **String Splitting (Split)** * Pros: + Faster and more lightweight compared to Regexp. + Less memory required as it only requires storing the split string indices. * Cons: + More limited in its ability to match complex patterns. + May require additional code to handle edge cases. **Library Used** The `TOKEN_REGEXP` regular expression is defined within the benchmark, but it appears to be a simple token extraction regex. The `cookie` variable is assumed to contain the cookie string being processed. **Special JS Feature or Syntax** None are mentioned in this specific benchmark. **Benchmark Preparation Code** The benchmark preparation code is provided in the "Script Preparation Code" field of the Benchmark Definition JSON. It defines the `cookie` variable with a sample cookie string containing an intercom token. The individual test cases are defined in the "Test Name" and "Benchmark Definition" fields of the Individual Test Cases JSON. These define the specific scripts to run for each approach (Regexp and Split). **Alternative Approaches** Other approaches that could be used to extract the token from a cookie string include: 1. **String manipulation**: Using only basic string methods like `indexOf()`, `substr()`, and `split()` without any additional libraries or regular expressions. 2. **DOM parsing**: If the cookie is stored in a document object, using DOM methods to parse the cookie string and extract the token. 3. **Third-party libraries**: Utilizing dedicated libraries for token extraction or regex pattern matching, such as `regex` or `token-extractor`. Keep in mind that these alternatives might not be optimized for performance like the Regexp and Split approaches but could provide a different perspective on solving the problem.
Related benchmarks:
Token Data
Ga cookie grabber . 3
Regexp vs split cookie
Bearer Token Strip
Comments
Confirm delete:
Do you really want to delete benchmark?