regex101: ES6 Imports/exports/dynamic: Getting the paths

1st Alternative(?:(?<=(?:import|export)[^`'"]*from\s+[`'"])(?<path1>[^`'"]+)(?=(?:'|"|`)))

Non-Capturing Group(?:(?<=(?:import|export)[^`'"]*from\s+[`'"])(?<path1>[^`'"]+)(?=(?:'|"|`)))

Positive Lookbehind(?<=(?:import|export)[^`'"]*from\s+[`'"])

Non-Capturing Group(?:import|export)

1st Alternativeimport

importthe literal text import (case sensitive)

2nd Alternativeexport

exportthe literal text export (case sensitive)

Negated Character Class[^`'"]*

*matches any number of characters outside the set below:

`the literal ` (96₁₀ / 140₈ / 60₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

fromthe literal text from (case sensitive)

\s+any whitespace character, repeated at least once

Character Class[`'"]

`the literal ` (96₁₀ / 140₈ / 60₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group path1(?<path1>[^`'"]+)

Negated Character Class[^`'"]+

+matches at least one character outside the set below:

`the literal ` (96₁₀ / 140₈ / 60₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Positive Lookahead(?=(?:'|"|`))

Non-Capturing Group(?:'|"|`)

1st Alternative'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

2nd Alternative"

"the literal " (34₁₀ / 42₈ / 22₁₆)

3rd Alternative`

`the literal ` (96₁₀ / 140₈ / 60₁₆)

2nd Alternative(?:\b(?:import|export)(?:\s+|\s*\(\s*)[`'"](?<path2>[^`'"]+)[`'"])

Non-Capturing Group(?:\b(?:import|export)(?:\s+|\s*\(\s*)[`'"](?<path2>[^`'"]+)[`'"])

\ban ASCII word boundary

Non-Capturing Group(?:import|export)

1st Alternativeimport

importthe literal text import (case sensitive)

2nd Alternativeexport

exportthe literal text export (case sensitive)

Non-Capturing Group(?:\s+|\s*\(\s*)

1st Alternative\s+

\s+any whitespace character, repeated at least once

2nd Alternative\s*\(\s*

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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

Character Class[`'"]

`the literal ` (96₁₀ / 140₈ / 60₁₆)

'the literal ' (39₁₀ / 47₈ / 27₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group path2(?<path2>[^`'"]+)

Negated Character Class[^`'"]+

Character Class[`'"]

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

(?:(?<=(?:import|export)[^`'"]*from\s+[`'"])(?<path1>[^`'"]+)(?=(?:'|"|`)))|(?:\b(?:import|export)(?:\s+|\s*\(\s*)[`'"](?<path2>[^`'"]+)[`'"])

Regular Expressions 101

Regular Expression

Unit Tests