Benchmark: regex test1 - MeasureThat.net

Tests:

separate regexs
const envRegex = /\^[a-zA-Z0-9_]+\b/g; const dataRegex = /\$[a-zA-Z0-9_]+\b/g; const dataenvRegex = /(\$|\^)[a-zA-Z0-9_]+\b/g; const str = " background-color: #f7f7f7; opacity: [[ $pageopacity ]]; --r-nonexistentvalue: [[ $noexist ]]; --r-somevar: [[ $somevar ]]; --someevent: [[ @mousemove.clientX[#myelement] ]]; --r-mx: [[ &add(&num(^mouse_clientX), &add(101px,22), 60) ]]px; --r-my: [[ &sub(^mouse_clientY, 20) ]]px;"; str.match(envRegex); str.match(dataRegex);
combined regex
const envRegex = /\^[a-zA-Z0-9_]+\b/g; const dataRegex = /\$[a-zA-Z0-9_]+\b/g; const dataenvRegex = /(\$|\^)[a-zA-Z0-9_]+\b/g; const str = " background-color: #f7f7f7; opacity: [[ $pageopacity ]]; --r-nonexistentvalue: [[ $noexist ]]; --r-somevar: [[ $somevar ]]; --someevent: [[ @mousemove.clientX[#myelement] ]]; --r-mx: [[ &add(&num(^mouse_clientX), &add(101px,22), 60) ]]px; --r-my: [[ &sub(^mouse_clientY, 20) ]]px;"; str.match(dataenvRegex);

Rendered benchmark preparation results:

Previous results

Test case name	Result
separate regexs
combined regex

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36

Browser/OS: Chrome 80 on Windows

Test name	Executions per second
separate regexs	573953.4 Ops/sec
combined regex	772213.4 Ops/sec

regex test1 (version: 0)