Extract a particular character from a string

Question

I want to extract the episode number from the name of TV Series.

e.g. If it is "Game of Thrones S06E01", Then I should get 01.

What I am trying is :

First see if the string contains something like "S__E__"(e.g "Blacklist S01E05")

If yes, then see what's there after "E" or "e", and extract it.

But due to variation in types of inputs, I can get different names to check like :

Blacklist S01E01

Blacklist s01e01 (small "e" and "s")

Blacklist S1E1

Blacklist S01E01.mkv

Se7en S01E01

and so on...

Answer 1

Praise the power of regular expressions then:

\b(?i)S\d+E(\d+)(?i-)\b

See a demo on regex101.com.

In PHP this would be:

<?php

$data = <<<DATA
Blacklist S01E01
Blacklist s01e01 (small "e" and "s")
Blacklist S01E01.mkv
Se7en S01E01
DATA;

$regex = '~\b(?i)S\d+E(\d+)(?i-)\b~';
preg_match_all($regex, $data, $matches);
print_r($matches);
?>

And see a demo on ideone.com.

Updated: To do it in jQuery/JavaScript, you need to change the inline modifiers:

\bS[\d.]+E(\d+)\b

See a demo on regex101.com (and mind the modifiers!).

Extract a particular character from a string

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