regex101: PCRE2 (PHP) Match Workspace

Pro

Positive Lookbehind(?<=TITLE)

TITLEthe literal text TITLE (case sensitive)

Negative Lookahead(?!\s*Direct Submission)

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

Direct Submissionthe literal text Direct Submission (case sensitive)

Character Class[\S\s]*?

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

\Sany non-whitespace character

\sany whitespace character

Positive Lookahead(?=JOURNAL)

JOURNALthe literal text JOURNAL (case sensitive)

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

(?<=TITLE)(?!\s*Direct Submission)[\S\s]*?(?=JOURNAL)

New

  TITLE     The Identification of Novel Diagnostic Marker Genes for the
            Detection of Beer Spoiling Pediococcus damnosus Strains Using the
            BlAst Diagnostic Gene findEr
  JOURNAL   PLoS One 11 (3), e0152747 (2016)
   PUBMED   27028007
  REMARK    Publication Status: Online-Only
REFERENCE   2  (bases 1 to 462)
  AUTHORS   Behr,J., Geissler,A.J. and Vogel,R.F.
  TITLE     Direct Submission
  JOURNAL   Submitted (04-AUG-2015) Technische Mikrobiologie, Technische
  TITLE     OtherDirect Submission
  JOURNAL   Submitted (04-AUG-2015) Technische Mikrobiologie, Technische