<imgthe literal text <img (case sensitive) \s+any whitespace character, repeated at least once
Negated Character Class[^>]* *matches any number of characters outside the set below:
>the literal > (6210 / 768 / 3E16)
\ban ASCII word boundary
src="the literal text src=" (case sensitive) Negated Character Class[^"]* *matches any number of characters outside the set below:
"the literal " (3410 / 428 / 2216)
\/the literal / (4710 / 578 / 2F16)
signaturethe literal text signature (case sensitive) \.the literal . (4610 / 568 / 2E16)
gifthe literal text gif (case sensitive) Negated Character Class[^\>]* *matches any number of characters outside the set below:
\>the literal > (6210 / 768 / 3E16)
\>the literal > (6210 / 768 / 3E16)
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