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/

^(.*)(\/[0-9]+\/[a-z]+\-[a-z]+\/?.*)\/?$

/

gmi

^ asserts position at start of a line

1st Capturing Group

(.*)

.

matches any character (except for line terminators)* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)

2nd Capturing Group

(\/[0-9]+\/[a-z]+\-[a-z]+\/?.*)

\/ matches the character / with index 47_{10} (2F_{16} or 57_{8}) literally (case insensitive)

Match a single character present in the list below

[0-9]

+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)

0-9 matches a single character in the range between 0 (index 48) and 9 (index 57) (case insensitive)

\/ matches the character / with index 47_{10} (2F_{16} or 57_{8}) literally (case insensitive)

Match a single character present in the list below

[a-z]

+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)

a-z matches a single character in the range between a (index 97) and z (index 122) (case insensitive)

\- matches the character - with index 45_{10} (2D_{16} or 55_{8}) literally (case insensitive)

Match a single character present in the list below

[a-z]

+ matches the previous token between one and unlimited times, as many times as possible, giving back as needed (greedy)

a-z matches a single character in the range between a (index 97) and z (index 122) (case insensitive)

\/

matches the character / with index 47? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)

.

matches any character (except for line terminators)* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)

\/

matches the character / with index 47? matches the previous token between zero and one times, as many times as possible, giving back as needed (greedy)

$ asserts position at the end of a line

Global pattern flags

g modifier: **g**lobal. All matches (don't return after first match)

m modifier: **m**ulti line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)

i modifier: **i**nsensitive. Case insensitive match (ignores case of [a-zA-Z])

Your regular expression does not match the subject string.Try launching the debugger to find out why.

/

/

gmi

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