regex101: PCRE2 (PHP) Substitution Workspace

Pro

^start of line

Group 1((?!(\?)|(\[))(.+(\n|$)))+

+repeats the group contents below at least once:

Negative Lookahead(?!(\?)|(\[))

1st Alternative(\?)

Group 2(\?)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

2nd Alternative(\[)

Group 3(\[)

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 4(.+(\n|$))

.+any character (except for line terminators), repeated at least once

Group 5(\n|$)

1st Alternative\n

\na line-feed (newline) character (ASCII 10)

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

^((?!(\?)|(\[))(.+(\n|$)))+

New

this is paragraph line1 line 1
and line 2

?[question_2]{"category":[]}[who are you]=[] {1,2}
[] OPTION 1
[] OPTION 2
[] OPTION 3

this is paragraph line3
with a line break

?[question_3]{"category":[]}[picode]=_ [PLACEHOLDER_TEXT]

?[question_1]{"category":[]}[sex]=() {1}
() male 
() femele 


this is paragraph line3
in the end of file

Extraction

this is paragraph line1 line 1
and line 2

?[question_2]{"category":[]}[who are you]=[] {1,2}
[] OPTION 1
[] OPTION 2
[] OPTION 3

this is paragraph line3
with a line break

?[question_3]{"category":[]}[picode]=_ [PLACEHOLDER_TEXT]

?[question_1]{"category":[]}[sex]=() {1}
() male 
() femele 


this is paragraph line3
in the end of file