using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\bJCheckBox\b\s*(?!ckx[A-Z])\w+";
string input = @"Valid examples:
private JCheckBox ckxTest = new JCheckBox();
public javax.swing.JCheckBox ckxTest;
Invalid examples:
private JCheckBox
abcTest;
private JCheckBox abcckxTest;
private JCheckBox ckx;
private JCheckBox a;
private JCheckBox ckxfoo; // no upper case 'F'
private JCheckBox abcTest = new JCheckBox();
";
RegexOptions options = RegexOptions.Multiline;
foreach (Match m in Regex.Matches(input, pattern, options))
{
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