Regular Expressions 101

Explanation

Pro

Negated Character Class[^\r\n.!]*

*matches any number of characters outside the set below:

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

(?i)applies the following effective flags to the remainder of the pattern: gmi

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

gatheringthe literal text gathering (case insensitive)

Negated Character Class[^\r\n.!?]*

*matches any number of characters outside the set below:

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

Character Class[m.!?]+

+matches at least one character from the set below:

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case insensitive)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

[^\r\n.!]*(?i)gathering[^\r\n.!?]*[m.!?]+

New

<p>Gathering for John R. Doe will be 2 p.m.</p>

<p>Gathering for John R. Doe will be 2 p.m.</p>