Question

im looking for a regular expression that checks or it is an tv show or just a movie by searching for by example S01E01 in "24.S01E01.DVDRip.XviD-FoV.avi"

so i

bool check = Regex.IsMatch(filename, "^(*[a-z][A-Z][0-9].){*}S\\d\\dE\\d\\d(*[a-z][A-Z][0-9].){*}")

but it doesn’t look like visual studio is very happy with that…
does anywone has a sugestion?

Answer 1

Happy downloading..

foundMatch = Regex.IsMatch(SubjectString, @"^.*S\d\dE\d\d", RegexOptions.IgnoreCase);

Ah now I get it.. You want to know why your regex doesn’t work.. Well..

(*[a-z][A-Z][0-9].) this is wrong.

You can’t have a quantifier pointing nothing. Here * matches greedily 0 to n times of nothing.. Error.

([a-z][A-Z][0-9].)

This means to match one letter from a-z followed by one letter from A-Z followed by one number from 0-9 followed by anything. So you are looking for aA1# or something. What you probably really meant to write was : \w* which matches 0 to n times of [a-zA-Z0-9_]

{*} 

Also wrong.. Match the { as many times as possible followed by }? See above for what you really meant.

\\d\\d

Also wrong. You meant to match a digit but what you do actually search here is a \ followed by the letter d.

Etc. I suggest you start reading some regex tutorial.