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Run results for:
regexp with i option VS regexp with lowercase input
test it
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36
Browser:
Chrome 146
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one month ago
Test name
Executions per second
RegEx lowered
27842870.0 Ops/sec
regex i
38630512.0 Ops/sec
Script Preparation code:
var string = "Hello world!"; var test1 = (input)=>{ var lower = input.toLowerCase(); var pattern = /\b(wtf|shit|etc)\b/; return pattern.test(lower); } var test2 = (input)=>{ var pattern = /\b(wtf|shit|etc)\b/i; return pattern.test(input); }
Tests:
RegEx lowered
test1(string)
regex i
test2(string)