Regular Expressions 101

Positive Lookbehind(?<=(?:^|[^\\])(?:\\\\)*)

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

1st Alternative^

^start of string

2nd Alternative[^\\]

Negated Character Class[^\\]

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Non-Capturing Group(?:\\\\)*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Group 1(([`'"])(.*?(?:[^\\](\\\\)*|$)(\2|$)))

Group 2([`'"])

Character Class[`'"]

`the literal ` (96₁₀ / 140₈ / 60₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 3(.*?(?:[^\\](\\\\)*|$)(\2|$))

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

Non-Capturing Group(?:[^\\](\\\\)*|$)

1st Alternative[^\\](\\\\)*

Negated Character Class[^\\]

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

Group 4(\\\\)*

*repeats the group contents below any number of times:

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

2nd Alternative$

$end of string

Group 5(\2|$)

1st Alternative\2

\2the text saved by group 2

2nd Alternative$

$end of string

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?<=(?:^|[^\\])(?:\\\\)*)(([`'"])(.*?(?:[^\\](\\\\)*|$)(\2|$)))

New

"I do not know; but, whatever it is, it will be sunk before night. In any case, it is better to perish with it, than be made accomplices in a retaliation the justice of which we cannot judge."\n"That is my opinion too," said Ned Land, coolly. "Let us wait for night."

Substitution

<span>$1</span>