@ethe literal text @e (case sensitive) Negative Lookahead(?!ureka\.com) urekathe literal text ureka (case sensitive) \.the literal . (4610 / 568 / 2E16)
comthe literal text com (case sensitive) .?optionally matches any character (except for line terminators)
uthe literal u (11710 / 1658 / 7516) (case sensitive)
.?optionally matches any character (except for line terminators)
rthe literal r (11410 / 1628 / 7216) (case sensitive)
.?optionally matches any character (except for line terminators)
ethe literal e (10110 / 1458 / 6516) (case sensitive)
.?optionally matches any character (except for line terminators)
kthe literal k (10710 / 1538 / 6B16) (case sensitive)
.?optionally matches any character (except for line terminators)
athe literal a (9710 / 1418 / 6116) (case sensitive)
\.the literal . (4610 / 568 / 2E16)
comthe literal text com (case sensitive) g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string