Run results for: EGO indexOf vs regex vs RegExp

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36

Browser: Chrome 92

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
lowercase, trim, indexof	809914.8 Ops/sec
trim, lowercase, indexof	894688.1 Ops/sec
regex	8041441.5 Ops/sec
lowercase, replace, indexof	742916.1 Ops/sec
RegExp	977838.1 Ops/sec
Same RegExp	1432246.4 Ops/sec

Script Preparation code:

var str = "This is a simple test! Over 20 Distinct Floor Plans Modern Quartz Countertops Complete Stainless Steel GE Appliances Moen Fixtures Oval Soaking Tubs Washer and Dryer in Every Home Central Air and Heat Overside Balconies and Patios Fiber-Based Internet Speeds at 25/15, 50/25, and 100/50 (Faster Enterprise Speeds Available). Over 20 Distinct Floor Plans Modern Quartz Countertops Complete Stainless Steel GE Appliances Moen Fixtures Oval Soaking Tubs Washer and Dryer in Every Home Central Air and Heat Overside Balconies and Patios Fiber-Based Internet Speeds at 25/15, 50/25, and 100/50 (Faster Enterprise Speeds Available). Over 20 Distinct Floor Plans Modern Quartz Countertops Complete Stainless Steel GE Appliances Moen Fixtures Oval Soaking Tubs Washer and Dryer in Every Home Central Air and Heat Overside Balconies and Patios Fiber-Based Internet Speeds at 25/15, 50/25, and 100/50 (Faster Enterprise Speeds Available). Over 20 Distinct Floor Plans Modern Quartz Countertops Complete Stainless Steel GE Appliances Moen Fixtures Oval Soaking Tubs Washer and Dryer in Every Home Central Air and Heat Overside Balconies and Patios Fiber-Based Internet Speeds at 25/15, 50/25, and 100/50 (Faster Enterprise Speeds Available). Over 20 Distinct Floor Plans Modern Quartz Countertops Complete Stainless Steel GE Appliances Moen Fixtures Oval Soaking Tubs Washer and Dryer in Every Home Central Air and Heat Overside Balconies and Patios Fiber-Based Internet Speeds at 25/15, 50/25, and 100/50 (Faster Enterprise Speeds Available). Controlled Access Community Podium Lounge with Billiards Table Fitness Facility Professional Conference Room Business Center Private Screening Room Dog Park and Washing Station Secure and Reserved Parking Garage Valet Dry Cleaning This is a simple test! . Controlled Access Community Podium Lounge with Billiards Table Fitness Facility Professional Conference Room Business Center Private Screening Room Dog Park and Washing Station Secure and Reserved Parking Garage Valet Dry Cleaning This is a simple test! . Controlled Access Community Podium Lounge with Billiards Table Fitness Facility Professional Conference Room Business Center Private Screening Room Dog Park and Washing Station Secure and Reserved Parking Garage Valet Dry Cleaning This is a simple test! . Controlled Access Community Podium Lounge with Billiards Table Fitness Facility Professional Conference Room Business Center Private Screening Room Dog Park and Washing Station Secure and Reserved Parking Garage Valet Dry Cleaning On a very large Text string containing Community Amenities or Apartment Amenities";
var searchText = "community amenities";
var ri = new RegExp('community amenities', 'i');

Tests:

lowercase, trim, indexof
var a = str.toLowerCase().trim(); var b = searchText.toLowerCase().trim(); var c = a.indexOf(b) > -1;
trim, lowercase, indexof
var a = str.trim().toLowerCase(); var b = searchText.trim().toLowerCase(); var c = a.indexOf(b) > -1;
regex
var c = /simple/i.test(str);
lowercase, replace, indexof
var a = str.toLowerCase().replace(" ", ""); var b = searchText.toLowerCase().replace(" ", ""); var c = a.indexOf(b) > -1;
RegExp
var c = (new RegExp(searchText, 'i')).test(str);
Same RegExp
var d = ri.test(str)

Run results for: EGO indexOf vs regex vs RegExp

lowercase, trim, indexof

trim, lowercase, indexof

regex

lowercase, replace, indexof

RegExp

Same RegExp