Regular Expressions 101

Pro

Character Class[!?.]+

+matches at least one character from the set below:

!the literal ! (33₁₀ / 41₈ / 21₁₆)

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Positive Lookahead(?=$|\s)

1st Alternative$

$end of string, or before its final line terminator

2nd Alternative\s

\sany whitespace character

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

[!?.]+(?=$|\s)

New

This is the f!!rst sentence! Is this the second one? The third sentence is here... And the fourth one!!

This is the f!!rst sentence! Is this the second one? The third sentence is here... And the fourth one!!