Regular Expressions 101

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/
page(\/)*([0-9\/])*
/
gi
page
matches the characters page literally (case insensitive)
1st Capturing Group
(\/)*
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data
\/ matches the character / with index 4710 (2F16 or 578) literally (case insensitive)
2nd Capturing Group
([0-9\/])*
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data
Match a single character present in the list below
[0-9\/]
0-9 matches a single character in the range between 0 (index 48) and 9 (index 57) (case insensitive)
\/ matches the character / with index 4710 (2F16 or 578) literally (case insensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
i modifier: insensitive. 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.

Regular Expression
No Match

/
/
gi

Test String