Regular Expressions 101

Pro

Group 1(.*)

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

\s+any whitespace character, repeated at least once

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

Group 2(\d{2})

\d{2}a digit, repeated exactly 2 times

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

Group 3(\d{2})

\d{2}a digit, repeated exactly 2 times

Character Class[\- ]+

+matches at least one character from the set below:

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 4(.*)

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

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.

25 tokens

(.*)\s+S(\d{2})E(\d{2})[\- ]+(.*)

New

12 Monkeys S02E10 - Fatherland.txt
Colony S02E01 - Eleven Thirteen.txt
Prison Break S05E05 - Contingency.txt

12 Monkeys S02E10 - Fatherland.txt
Colony S02E01 - Eleven Thirteen.txt
Prison Break S05E05 - Contingency.txt