1*2*3*4*5
Type 2
Regex = regular expression, step match, text find
exm: 5 => 5+4+3+2+1 = 15
replace(find, replace)
https://regexr.com/
literals == a, 1 , %
matchcharacters == ^jitender$
character classes == [a-z]
character classes & shorthand ==