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Define Regex inline vs not inline...
(version: 0)
Comparing performance of:
define in function vs define outside
Created:
7 years ago
by:
Guest
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Tests:
define in function
const run_one_regex = (text) => { ONE_REGEX = /^(?!.* $\s)[\w *()[\]'"/.&–-]+$/gm return ONE_REGEX.test(text); } const text = 'blarb'; for(let i = 0; i < 20000; i++) { run_one_regex(text); }
define outside
ONE_REGEX = /^(?!.* $\s)[\w *()[\]'"/.&–-]+$/gm const run_one_regex = (text) => { return ONE_REGEX.test(text); } const text = 'blarb'; for(let i = 0; i < 20000; i++) { run_one_regex(text); }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
define in function
define outside
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser/OS:
Chrome 130 on Mac OS X 10.15.7
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Test name
Executions per second
define in function
453.4 Ops/sec
define outside
2243.9 Ops/sec
Related benchmarks:
Define Regex inline vs not.
RegEx.test (with inline regex) vs. String.includes vs. String.match
Long regex test vs string includes
Longer regex test vs string includes
RegEx.test vs. Inline RegEx.test
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