Regular Expressions 101

Explanation
Pro

1st Alternative\breal(?!ization)[?]*

\ba Unicode word boundary

realthe literal text real (case sensitive)

Negative Lookahead(?!ization)

izationthe literal text ization (case sensitive)

Character Class[?]*

*matches any number of characters from the set below:

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

2nd Alternative\breally\s*[?]+

\ba Unicode word boundary

reallythe literal text really (case sensitive)

\s*a Unicode whitespace character, repeated any number of times

Character Class[?]+

+matches at least one character from the set below:

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

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

\breal(?!ization)[?]*|\breally\s*[?]+

New

1)real 
2)realization
3)this is not really true.
4)this is not real.
5)is this real?
6)really??????
7)really??!!!
8)really

1)real 
2)realization
3)this is not really true.
4)this is not real.
5)is this real?
6)really??????
7)really??!!!
8)really