^start of line
From:the literal text From: (case sensitive) \sany whitespace character
+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
\sany whitespace character
+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
?repeats the group contents below at most once:
\sany whitespace character
+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
?repeats the group contents below at most once:
\sany whitespace character
+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
\sany whitespace character
<the literal < (6010 / 748 / 3C16)
+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
\.the literal . (4610 / 568 / 2E16)
+matches at least one character from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
@domainthe literal text @domain (case sensitive) \.the literal . (4610 / 568 / 2E16)
com>the 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