using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\b[\(\d\s\)-]{8,}\b|(\d\s?){8,12}\b";
string substitution = @"";
string input = @"0944 888 890/ 0903 126 233 | phon0944 888 890/ 0903888 890/ 0903 126 233 | phon0944 888 890/ 84 0903 126 233 | phongnguyen@huuphongplastic.vn/ thaongo@huuphongplastic.vn";
Regex regex = new Regex(pattern);
string result = regex.Replace(input, substitution);
}
}
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