php - replace page number using Regular Expression in Javascript -

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i have url follow:

http://example.com/category/news/page/2/

i need replace number comes @ end of url represents page number. if possible think is, want use regular expression in case domain changes, code still works.

i using php ...

could me proper regex?

find answer:

string.replace(/\/page\/[0-9]+/, '/page/' + pagenum);

pagenum can variable replace page number


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