Regular Expressions 101

^start of line

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 1(de|fr|en|it)

1st Alternativede

dethe literal text de (case sensitive)

2nd Alternativefr

frthe literal text fr (case sensitive)

3rd Alternativeen

enthe literal text en (case sensitive)

4th Alternativeit

itthe literal text it (case sensitive)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^/\n]{2}

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

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\na line-feed (newline) character (ASCII 10)

Non-Capturing Group(?:/[^/\n]+){2}

{2}repeats the group contents below exactly 2 times:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^/\n]+

+matches at least one character outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\na line-feed (newline) character (ASCII 10)

$end of line

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^/(de|fr|en|it)/[^/\n]{2}(?:/[^/\n]+){2}$

New

Include:

/de/ab/word-word/word1-and-something-else
/de/ab/word-word/word1-and-something-else?any_ting1=any.-thing2

Exclude:

/de/ab/word-word/word1-and-something-else/
/de/ab/word-word/word1-and-something-else/anything
/de/ab/word-word
/fr/moreThanTwoCHAR/anything
/de/ab/word-word/word1-and-something-else/anything

Regular Expression

Extraction