Regular Expressions 101

https://wwwthe literal text https://www (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

amazonthe literal text amazon (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

comthe literal text com (case sensitive)

Non-Capturing Group(?:/[^/]+)?

?repeats the group contents below at most once:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^/]+

+matches at least one character outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Character Class[dg]

dthe literal d (100₁₀ / 144₈ / 64₁₆) (case sensitive)

gthe literal g (103₁₀ / 147₈ / 67₁₆) (case sensitive)

p/the literal text p/ (case sensitive)

Group 1([a-zA-Z0-9]{10})

Character Class[a-zA-Z0-9]{10}

{10}matches exactly 10 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

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

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Search reference

Regular Expression

https://www\.amazon\.com(?:/[^/]+)?/[dg]p/([a-zA-Z0-9]{10})

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