using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?:\s(?:low|high)\s)?(?:\S+\s+and\s)?\S+[ \t]+(?:stress|deficiency|limiting)";
string input = @"salt and water stress
photo-oxidative stress
salinity and high light stress
low-temperature stress
Cd stress
Cu deficiency
N deficiency
IMI stress
no match:
stress
deficiency
limiting
temperature and water
low
high
water and salt";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx