Regular Expressions 101

1st Alternative^[^\/]+\/[^\/].*$

^start of line

Negated Character Class[^\/]+

+matches at least one character outside the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^\/]

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

$end of line

2nd Alternative^\/[^\/].*$

^start of line

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^\/]

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

$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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^[^\/]+\/[^\/].*$|^\/[^\/].*$

Test String
New

http://www.stackoverflow.com
about.html
tutorial1/
tutorial1/2.html
/
/experts/   
https://google.com
../ 
../experts/ 
../../../   
./  
./about.html
https://regex101.com
//something
/something

Regular Expression

Test StringNew

ExtractionProcessing...

Test String
New

Extraction
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