How an I use regex to find anything between 2 ASCII codes? ASCII code STX (\u0002) and ETX (\u0003)
Example string "STX,T1,ETXSTX,1,1,1,1,1,1,ETXSTX,A,1,0,B,ERRETX"
Using Regex on the above my matches should be
,T1,
,1,1,1,1,1,1,
,A,1,0,B,ERR
Did a bit of googling and I tried the following pattern but it didn't find anything.
@"^\u0002.*\u0003$"
UPDATE: Thank you all, some great answers below and all seem to work!
You could use Regex.Split.
var input = (char)2 + ",T1," + (char)3 + (char)2 + ",1,1,1,1,1,1," + (char)3 + (char)2 + ",A,1,0,B,ERR" + (char)3;
var result = Regex.Split(input, "\u0002|\u0003").Where(r => !String.IsNullOrEmpty(r));
You may use a non-regex solution, too (based on Wyatt's answer):
var result = input.Split(new[] {'\u0002', '\u0003'}) // split with the known char delimiters
.Where(p => !string.IsNullOrEmpty(p)) // Only take non-empty ones
.ToList();
A Regex solution I suggested in comments:
var res = Regex.Matches(input, "(?s)\u0002(.*?)\u0003")
.OfType<Match>()
.Select(p => p.Groups[1].Value)
.ToList();
var s = "STX,T1,ETXSTX,1,1,1,1,1,1,ETXSTX,A,1,0,B,ERRETX";
s = s.Replace("STX", "\u0002");
s = s.Replace("ETX", "\u0003");
var result1 = Regex.Split(s, @"[\u0002\u0003]").Where(a => a != String.Empty).ToList();
result1.ForEach(a=>Console.WriteLine(a));
Console.WriteLine("------------ OR WITHOUT REGEX ---------------");
var result2 = s.Split(new char[] { '\u0002','\u0003' }, StringSplitOptions.RemoveEmptyEntries).ToList();
result2.ForEach(a => Console.WriteLine(a));
output:
,T1,
,1,1,1,1,1,1,
,A,1,0,B,ERR
------------ OR WITHOUT REGEX ---------------
,T1,
,1,1,1,1,1,1,
,A,1,0,B,ERR
@"\u0002.*?\u0003"(?<=\x02).*?(?=\x03)if you don't like stx/etx in result.