regex101: PCRE2 (PHP) Match Workspace

Pro

Positive Lookbehind(?<=[( ])

Character Class[( ]

(the literal ( (40₁₀ / 50₈ / 28₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

\d{4}a digit, repeated exactly 4 times

Positive Lookahead(?=\S*\)|$)

1st Alternative\S*\)

\S*any non-whitespace character, repeated any number of times

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative$

$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

25 tokens

Regular Expression

(?<=[( ])\d{4}(?=\S*\)|$)

New

Grumpier Old Men (1995)
Death Note: Desu nÃ´to (2006â€“2007)
Irwin & Fran 2013
9500 Liberty (2009)
Captive Women (1000 Years from Now) (3000 A.D.) (1952)
The Garden of Afflictions 2017
The Naked Truth (1957) (Your Past Is Showing)

Substitution

Grumpier Old Men (1995)
Death Note: Desu nÃ´to (2006â€“2007)
Irwin & Fran 2013
9500 Liberty (2009)
Captive Women (1000 Years from Now) (3000 A.D.) (1952)
The Garden of Afflictions 2017
The Naked Truth (1957) (Your Past Is Showing)