Regular Expressions 101

^start of line

Group show(?<show>.*?)

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

- the literal text -

Group episode(?<episode>S[0-9]{2}E[0-9]{2}(?:E[0-9]{2})?)

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

Character Class[0-9]{2}

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

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

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

Character Class[0-9]{2}

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

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

Non-Capturing Group(?:E[0-9]{2})?

?repeats the group contents below at most once:

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

Character Class[0-9]{2}

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

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

- the literal text -

Group title(?<title>.*?)

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

Non-Capturing Group(?: - (?<res>(?:720|1080)p))?

?repeats the group contents below at most once:

- the literal text -

Group res(?<res>(?:720|1080)p)

Non-Capturing Group(?:720|1080)

1st Alternative720

720the literal text 720

2nd Alternative1080

1080the literal text 1080

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

$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

^(?<show>.*?) - (?<episode>S[0-9]{2}E[0-9]{2}(?:E[0-9]{2})?) - (?<title>.*?)(?: - (?<res>(?:720|1080)p))?$

New

Show Name - S01E02 - This Is a High Def Episode Title - 720p
Show Name - S01E03 - This Is a High Def Episode Title - 1080p
Show Name - S01E04 - This Is a Standard Def Episode Title
Show Name - S01E05E06 - This Is a High Def Double Episode Title - 720p

Regular Expression

Extraction