C# (CSharp) Pihrtsoft.Text.RegularExpressions.Linq PatternBuilder.AppendCharGroupStart - 1 examples found. These are the top rated real world C# (CSharp) examples of Pihrtsoft.Text.RegularExpressions.Linq.PatternBuilder.AppendCharGroupStart extracted from open source projects. You can rate examples to help us improve the quality of examples.