<the literal < (6010 / 748 / 3C16)
*the literal (3210 / 408 / 2016) , repeated any number of times
linkthe literal text link (case sensitive) Positive Lookahead(?=[^>\n]*\brel="alternate") Negated Character Class[^>\n]* *matches any number of characters outside the set below:
>the literal > (6210 / 768 / 3E16)
\na line-feed (newline) character (ASCII 10)
\ban ASCII word boundary
rel="alternate"the literal text rel="alternate" (case sensitive) Positive Lookahead(?=[^>\n]*\bmedia=) Negated Character Class[^>\n]* *matches any number of characters outside the set below:
>the literal > (6210 / 768 / 3E16)
\na line-feed (newline) character (ASCII 10)
\ban ASCII word boundary
media=the literal text media= (case sensitive) Positive Lookahead(?=[^>\n]+\bmax-width:) Negated Character Class[^>\n]+ +matches at least one character outside the set below:
>the literal > (6210 / 768 / 3E16)
\na line-feed (newline) character (ASCII 10)
\ban ASCII word boundary
max-width:the literal text max-width: (case sensitive) Positive Lookahead(?=[^>\n]+\b640px\b) Negated Character Class[^>\n]+ +matches at least one character outside the set below:
>the literal > (6210 / 768 / 3E16)
\na line-feed (newline) character (ASCII 10)
\ban ASCII word boundary
640pxthe literal text 640px (case sensitive) \ban ASCII word boundary
Positive Lookahead(?=[^>\n]+\bonly[ -]screen\b) Negated Character Class[^>\n]+ +matches at least one character outside the set below:
>the literal > (6210 / 768 / 3E16)
\na line-feed (newline) character (ASCII 10)
\ban ASCII word boundary
onlythe literal text only (case sensitive) the literal (3210 / 408 / 2016)
-the literal - (4510 / 558 / 2D16)
screenthe literal text screen (case sensitive) \ban ASCII word boundary
Positive Lookahead(?=[^>\n]*\bhref=) Negated Character Class[^>\n]* *matches any number of characters outside the set below:
>the literal > (6210 / 768 / 3E16)
\na line-feed (newline) character (ASCII 10)
\ban ASCII word boundary
href=the literal text href= (case sensitive) Negated Character Class[^>\n]+ +matches at least one character outside the set below:
>the literal > (6210 / 768 / 3E16)
\na line-feed (newline) character (ASCII 10)
*the literal (3210 / 408 / 2016) , repeated any number of times
>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