Regular Expressions 101

/img/the literal text /img/ (case sensitive)

Group 1([0-9a-fA-F]{2})

Character Class[0-9a-fA-F]{2}

{2}matches exactly 2 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

Group 2([0-9a-fA-F]+)

Character Class[0-9a-fA-F]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (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

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

/img/([0-9a-fA-F]{2})([0-9a-fA-F]+)$

New

example.com/img/fe5afe0482195afff9390692a6cc23e1

/content/img/$1/$1$2