regex101: JavaScript Match Workspace

node_modulesthe literal text node_modules (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negative Lookahead(?!(react-native|my-project|react-native-button)\/)

Group 1(react-native|my-project|react-native-button)

1st Alternativereact-native

react-nativethe literal text react-native (case sensitive)

2nd Alternativemy-project

my-projectthe literal text my-project (case sensitive)

3rd Alternativereact-native-button

react-native-buttonthe literal text react-native-button (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

26 tokens

Regular Expression

node_modules\/(?!(react-native|my-project|react-native-button)\/)

New

/node_modules/react-native/index.js
/node_modules/react-nativeee/index.js
/node_modules/my-project/index.js
/node_modules/my-projector/index.js
/node_modules/my-project-also/index.js
/node_modules/react-native-button/index.js
/node_modules/react-native-buttonholder/index.js
/node_modules/react-native-button-extra/index.js
/foo/bar/baz/node_modules/react-native/index.js
/foo/bar/baz/node_modules/react-nativeee/index.js
/foo/bar/baz/node_modules/my-project/index.js
/foo/bar/baz/node_modules/my-projector/index.js
/foo/bar/baz/node_modules/my-project-also/index.js
/foo/bar/baz/node_modules/react-native-button/index.js
/foo/bar/baz/node_modules/react-native-buttonholder/index.js
/foo/bar/baz/node_modules/react-native-button-extra/index.js

Regular Expressions 101

Regular Expression

Substitution