Regular Expressions 101

Explanation

Pro

Non-Capturing Group(?:^|\|)

1st Alternative^

^start of line

2nd Alternative\|

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Group 1(")?

?repeats the group contents below at most once:

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

Group 2(.*?)

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

Positive Lookahead(?=\1(?:$|\|))

\1the text saved by group 1

Non-Capturing Group(?:$|\|)

1st Alternative$

$end of line

2nd Alternative\|

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

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

Detailed match information will be displayed here automatically.

25 tokens

(?:^|\|)(")?\K(.*?)(?=\1(?:$|\|))

"1"|"Text"|"a"
"2"|""Text in quotes""|"ab"
"3"|"Text "around" quotes"|"abc"

"1"|"Text"|"a"
"2"|""Text in quotes""|"ab"
"3"|"Text "around" quotes"|"abc"