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SubDocument.StartSearch(Regex, DocumentRange) Method

Provides a search interface for a search in the specified range using a regular expression pattern.

Namespace: DevExpress.XtraRichEdit.API.Native

Assembly: DevExpress.RichEdit.v23.2.Core.dll

NuGet Packages: DevExpress.RichEdit.Core, DevExpress.Win.Navigation


IRegexSearchResult StartSearch(
    Regex regex,
    DocumentRange range


Name Type Description
regex Regex

A Regex object representing a search pattern.

range DocumentRange

A DocumentRange object representing a range to search.


Type Description

An IRegexSearchResult interface used to perform a search.


The following code snippet illustrates the use of the StartSearch method, to perform searching for the date in US format. Note the use of named captures in the Regular Expression pattern.

The following code illustrates how to find and parse dates in US format using Regular Expression pattern matching:

document.AppendText("12\\14\\2014" + Environment.NewLine);
IRegexSearchResult result;
string pattern = @"(?<mm>\d{2}).(?<dd>\d{2}).(?<yyyy>\d{4})";
System.Text.RegularExpressions.Regex myRegEx = 
    new System.Text.RegularExpressions.Regex(pattern);

result = document.StartSearch(myRegEx);
if (result.FindNext())
    string dayFound = result.Match.Groups[2].Value;
    string monthFound = result.Match.Groups[1].Value;
    string yearFound = result.Match.Groups[3].Value;
    document.AppendText(String.Format("Found a date that is the {0} day of the {1} month of the {2} year.",
        dayFound, monthFound, yearFound));
See Also