[DEVEXPRESS/WINFORM] RichEditControl 클래스 : 특정 포맷의 날짜 문자열 찾기

using System;
using DevExpress.XtraRichEdit;
using DevExpress.XtraRichEdit.API.Native;

...

private RichEditControl richEditControl;

...

Document document = this.richEditControl.Document;

document.AppendText("2014/12/14" + Environment.NewLine);

Regex regex = new Regex(@"(?<yyyy>\d{4}).(?<mm>\d{2}).(?<dd>\d{2})");

IRegexSearchResult regexSearchResult = document.StartSearch(regex);

if(regexSearchResult.FindNext())
{
    string yearFound  = regexSearchResult.Match.Groups[1].Value;
    string monthFound = regexSearchResult.Match.Groups[2].Value;
    string dayFound   = regexSearchResult.Match.Groups[3].Value;

    document.AppendText(string.Format("발견한 일자 : {0}/{1}/{2}\n", yearFound, monthFound, dayFound));
}