Regular Expressions 101

Explanation

Pro

Group 1(\w+)

\w+any word character, repeated at least once

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\w+any word character, repeated at least once

Positive Lookbehind(?<=\/item)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

itemthe literal text item (case sensitive)

Group 2(\/(\w+)\/)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3(\w+)

\w+any word character, repeated at least once

\/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

Detailed match information will be displayed here automatically.

25 tokens

(\w+)\/\w+(?<=\/item)(\/(\w+)\/)?

New

/test/v1/3908643GASF/item
/test/v1/343569/item/AAAS45663/document
/test/v2/field/1230FRE/item

/test/v1/3908643GASF/item
/test/v1/343569/item/AAAS45663/document
/test/v2/field/1230FRE/item