regex101: Extracting Title and Year from Movie

Character Class[[:blank:]]*+

*+matches any number of characters from the set below:

[:blank:]a whitespace character, excluding line breaks [ \t]

Non-Capturing Group(?:[\[$].*[\]$][[:blank:]]*+)?

?repeats the group contents below at most once:

Character Class[\[\(]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

Character Class[\]\)]

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Character Class[[:blank:]]*+

*+matches any number of characters from the set below:

[:blank:]a whitespace character, excluding line breaks [ \t]

Group 1(.*?)

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

Character Class[[:blank:]\[\(]*+

*+matches any number of characters from the set below:

[:blank:]a whitespace character, excluding line breaks [ \t]

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2([1-2]\d{3})

Character Class[1-2]

1-2one character from 1 (49₁₀) to 2 (50₁₀)

\d{3}a digit, repeated exactly 3 times

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

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

Search reference

Regular Expression

[[:blank:]]*+(?:[\[\(].*[\]\)][[:blank:]]*+)?(.*?)[[:blank:]\[\(]*+([1-2]\d{3}).*

New

2 Fast 2 Furious [2003] [SD]
2 Fast 2 Furious (2003) [SD]
2 Fast 2 Furious ((2003) [SD]
A Goofy Movie (1995) (HD) (720p)
[test]A Goofy Movie (1995) (HD) (720p)
(test) A Goofy Movie (1995) (HD) (720p)
2 Fast 2 Furious  2003  
   2 Fast 2 Furious  2003
The Lion King 2- Simba's Pride (1998) (HD) (1080p)
The.Grand.Budapest.Hotel.2014.1080p.BluRay.x264-BLOW
Another.Earth.2011.LIMITED.720p.BluRay.X264-AMIABLE
The.Green.Mile.1999.720p.BluRay.x264-HDCLASSiCS
The Road 2009 Bluray DTS 720 p - TRiNiTY
Dead Poets Society (1989) 720p Blu-ray x264 DTS MSubs [DDR]
Garden.State.2004.720p.BluRay.X264-AMIABLE

Substitution

\1 (\2) \3