regex101: Demo

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

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

^start of line

1st AlternativeWhere

Wherethe literal text Where (case insensitive)

2nd AlternativeHow

Howthe literal text How (case insensitive)

3rd AlternativeIs

Isthe literal text Is (case insensitive)

4th AlternativeDoes

Doesthe literal text Does (case insensitive)

5th AlternativeI wanna

I wannathe literal text I wanna (case insensitive)

6th AlternativeI want

I wantthe literal text I want (case insensitive)

7th AlternativeI wish

I wishthe literal text I wish (case insensitive)

\ban ASCII word boundary

.*any character (except for line terminators), repeated any number of times

\ban ASCII word boundary

demothe literal text demo (case insensitive)

Group 2( game| version( of the game)?)?

?repeats the group contents below at most once:

1st Alternative game

gamethe literal text game (case insensitive)

2nd Alternative version( of the game)?

versionthe literal text version (case insensitive)

Group 3( of the game)?

?repeats the group contents below at most once:

of the gamethe literal text of the game (case insensitive)

Group 4( exist| available| out there)?

?repeats the group contents below at most once:

1st Alternative exist

existthe literal text exist (case insensitive)

2nd Alternative available

availablethe literal text available (case insensitive)

3rd Alternative out there

out therethe literal text out there (case insensitive)

Group 5(\.|\?|!)*?

*?repeats the group contents below any number of times:

1st Alternative\.

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative\?

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

3rd Alternative!

!the literal ! (33₁₀ / 41₈ / 21₁₆)

$end of line

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

Search reference

Regular Expression

(?i)^(Where|How|Is|Does|I wanna|I want|I wish)\b.*\bdemo( game| version( of the game)?)?( exist| available| out there)?(\.|\?|!)*?$

Test String
New

How can I download the demo
Where get demo?!?!
where is the demo version of the game?
How do I get the demo game!
Anyone know how to get the demo?
How does one download a geneshit
so I was wondering, how do we get more newbies to play the demo
Does a demo version of the game exist?!?!?
Is a demo version of the game available
is a demo version of the game out there
Is there a demo version?
I wish there was a demo version
is a demo out there?

Regular Expressions 101

Regular Expression

Test String
New

Substitution
Processing...

Regular Expression

Test StringNew

SubstitutionProcessing...

Test String
New

Substitution
Processing...