Regular Expressions 101

Pro

^start of string

Negative Lookahead(?!\/root\/src\/)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

rootthe literal text root (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

srcthe literal text src (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

node_modulesthe literal text node_modules (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

Negative Lookbehind(?<!\/package\.json)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

packagethe literal text package (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

jsonthe literal text json (case sensitive)

$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.

26 tokens

^(?!\/root\/src\/).+\/node_modules\/.+(?<!\/package\.json)$