Format file names using Regular Expression

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Format file names using Regular Expression

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#1 by (4 votes)

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I'm trying to rename some files using Regular Expression, but I'm stuck in a specific format. I have video files in this format:

Yu.Yu.Hakusho Ep.001 - The Death

I need to format using regex for:

Yu.Yu.Hakusho.S01E01 - The Death

I've tried using ([^ ]+)*.(\w{0,2}).([0-9]+)*.(.*.) to capture only what I need and format, as can be seen below:

$texto = "Yu.Yu.Hakusho Ep.001 - A Morte";
$regex = "/([^ ]+)*.(\w{0,2}).([0-9]+)(.*.)/";
preg_match($regex,$texto,$m);   

echo $m[1].".S01E".$m[3].$m[4];

And the output is

Yu.Yu.Hakusho.S01E001 - The Death

I'm not sure how to leave the string 001 with only the last two digits.

How do I do this with regex? (I can not use replace, I need to do only with ER myself)

Note: I used php as an example, but I need to apply a regex, independent of language, as can be seen here in this link: link

regex

asked by anonymous 16.04.2016 / 02:36

1 answer

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score 4 · Accepted Answer

I created another regex pattern from scratch, because I found it a bit "disorganized."

Pattern : (.*?) .*?\d?(\d{2}).*?(\w.*)

Substitution: .S01E -

If you prefer to use the same pattern I was already using, I did a modified version of it: ([^ ]+)* (\w{0,2})\.\d?(\d{1,2})*.(.*.) "The substitution remains the same.