c# - Reading file's content and assigning it List <String> -

what trying achieve:

want read text file , store in list of strings. use second list of string save if found using regex

i dont know how tackle problem have done far.

using (streamreader content = new streamreader(@file_to_read)) {   list <string> newline = new list <string> ();   string line;     while (line = content.readline()) != null)    //add line list   newline.add(line); } 

lets there text called 'causes' in of lines.what want iterate through list or lines whatever easy , store line in new list.

you can filter list this

list<string> newlist = newline.where(x => x.contains("your string match")).tolist();