Regular Expressions 101

^start of string

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(computers|notebook|apple)

1st Alternativecomputers

computersthe literal text computers (case sensitive)

2nd Alternativenotebook

notebookthe literal text notebook (case sensitive)

3rd Alternativeapple

applethe literal text apple (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2(.*?\/)?

?repeats the group contents below at most once:

.*?any Unicode character (except for line terminators), repeated any number of times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 3(.*?)

.*?any Unicode character (except for line terminators), repeated any number of times

.any Unicode character (except for line terminators)

htmlthe literal text html (case sensitive)

$end of string, or before its final line terminator

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

u modifier: unicode. Treats the pattern and subject as UTF-16

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^\/(computers|notebook|apple)\/(.*?\/)?(.*?).html$

New

/computers/asus400.html