regex101: PCRE (Legacy) Match Workspace

(?si)applies the following effective flags to the remainder of the pattern: gmsi

s modifier: single line. Allows a dot to match line terminators

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

Non-Capturing Group(?:^(?<!.)|\R{2})

1st Alternative^(?<!.)

^start of line

Negative Lookbehind(?<!.)

.any character

2nd Alternative\R{2}

\R{2}a newline sequence, repeated exactly 2 times

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

Non-Capturing Group(?:(?!\R{2}).)*?

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

Negative Lookahead(?!\R{2})

\R{2}a newline sequence, repeated exactly 2 times

.any character

\ban ASCII word boundary

fifathe literal text fifa (case insensitive)

\ban ASCII word boundary

.*?any character, repeated any number of times

Positive Lookahead(?=\R{2}|\z)

1st Alternative\R{2}

\R{2}a newline sequence, repeated exactly 2 times

2nd Alternative\z

\zend of string

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

(?si)(?:^(?<!.)|\R{2})\K(?:(?!\R{2}).)*?\bfifa\b.*?(?=\R{2}|\z)

New

Region: AR
OnlineID: Atl_Tuc
---Start---
FIFA 18 Legacy Edition
---END---

Region: FR
OnlineID: jubtrrzz
---Start---
FIFA 19
Undertale
Pro Evolution Soccer™ 2018
---END---

Region: US
OnlineID: Cu128yi
---Start---
KINGDOM HEARTS HD 1.5 +2.5 ReMIX
---END---

Region: RO
OnlineID: Se116
---Start---
Real Farm
EA SPORTS™ FIFA 20
LittleBigPlanet™ 3
---END---

Region: US
OnlineID: CAJ5Y
---Start---
Madden NFL 18: G.O.A.T. Super Bowl Edition
---END---

Regular Expressions 101

Regular Expression

Extraction