<url>the literal text <url> (case sensitive) \s*any whitespace character, repeated any number of times
<loc>the literal text <loc> (case sensitive) Negated Character Class[^<]+ +matches at least one character outside the set below:
<the literal < (6010 / 748 / 3C16)
loginthe literal text login (case sensitive) .+?any character, repeated at least once
</url>the literal text </url> (case sensitive) \s*any whitespace character, repeated any number of times
s modifier: single line. Allows a dot to match line terminators
g modifier: global. Finds all matches instead of stopping after the first