Regex instructions document

Regex (regular expression): /(^|\s)(\d{1,3},*){4,}/ 

Should match

• For appliance(s) with draft control the area of the air supply shall be at least 1 in.² for every 7000 Btu’s of input up to and including 1000000 Btu’s, plus 1 in.² for every 14000 Btu’s in excess of 1000000 Btu’s. For metric calculations use; 310 mm² for every kW up to and including 293 kW plus 155 mm² for every kW in excess of 293 kW).
• 1000

1,000 then match 8,000,000

1. 1000
   1. 38,866

Should NOT match

1

98

346

1. 21
2. 09

• 236
• src=”https://pressbooks.bccampus.ca/hfriedman/wp-content/uploads/sites/998/2023/11/image32-300×225.jpeg”

/1000/24,000/24589