httpthe literal text http (case insensitive) s?optionally matches the literal s (11510 / 1638 / 7316) (case insensitive)
:the literal : (5810 / 728 / 3A16)
\/the literal / (4710 / 578 / 2F16)
\/the literal / (4710 / 578 / 2F16)
Non-Capturing Group(?:www\.|(?!www)) wwwthe literal text www (case insensitive) \.the literal . (4610 / 568 / 2E16)
Negative Lookahead(?!www) wwwthe literal text www (case insensitive) Negated Character Class[^\s.]+ +matches at least one character outside the set below:
\sany whitespace character
.the literal . (4610 / 568 / 2E16)
\.the literal . (4610 / 568 / 2E16)
\S{2,}any non-whitespace character, repeated at least 2 times