Regular Expressions 101

Group 1((\.{2}\/{1})+|((\.{1}\/{1})?)|(\/{1}))

1st Alternative(\.{2}\/{1})+

Group 2(\.{2}\/{1})+

+repeats the group contents below at least once:

\.{2}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 2 times

\/{1}the literal / (47₁₀ / 57₈ / 2F₁₆) , repeated exactly 1 time

2nd Alternative((\.{1}\/{1})?)

Group 3((\.{1}\/{1})?)

Group 4(\.{1}\/{1})?

?repeats the group contents below at most once:

\.{1}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 1 time

\/{1}the literal / (47₁₀ / 57₈ / 2F₁₆) , repeated exactly 1 time

3rd Alternative(\/{1})

Group 5(\/{1})

\/{1}the literal / (47₁₀ / 57₈ / 2F₁₆) , repeated exactly 1 time

Group 6(([a-zA-Z0-9]+\/{1})+)

Group 7([a-zA-Z0-9]+\/{1})+

+repeats the group contents below at least once:

Character Class[a-zA-Z0-9]+

+matches at least one character 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)

\/{1}the literal / (47₁₀ / 57₈ / 2F₁₆) , repeated exactly 1 time

Group 8([a-zA-Z0-9])+

+repeats the group contents below at least once:

Character Class[a-zA-Z0-9]

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)

Group 9(\.{1}[a-zA-Z0-9]+)?

?repeats the group contents below at most once:

\.{1}the literal . (46₁₀ / 56₈ / 2E₁₆) , repeated exactly 1 time

Character Class[a-zA-Z0-9]+

+matches at least one character 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)

$end of string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

((\.{2}\/{1})+|((\.{1}\/{1})?)|(\/{1}))(([a-zA-Z0-9]+\/{1})+)([a-zA-Z0-9])+(\.{1}[a-zA-Z0-9]+)?$

../../dir/SubDir1/SubDir2/file.ext