using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(?<!\.)(\b[a-zA-Z_]+[a-zA-Z0-9_]+)\.[a-zA-Z0-9_\.]+";
string input = @"module.func()
module.class.func()
module.module.class . func()
__module__.module.class.func()
module.constant
module.class.constant
module.class.class.constant
module11.func()
modu123le.class.func()
modu123le.module.class.func()
modu123le.module123.class.func()
""1 if module11.func(col) == 'A' else 3""
""1 if module11.func(col) == 'A' else ( _module.constant == 'B') else 34""
""module.func()""
1.0
1module.func()
2module.class.func()
col.upper() ##No way to know whether col is a module
module . func() ##Need to remove spaces before and after .
module . class . func()
";
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