.NET Framework 4.5.2+
.NET Framework 4.5.2+
.NET Standard 2.0+

SubDocument.StartSearch(Regex) Method

Provides a search interface for a search in the document, using a regular expression pattern.

Namespace: DevExpress.XtraRichEdit.API.Native

Assembly: DevExpress.RichEdit.v21.1.Core.dll


IRegexSearchResult StartSearch(
    Regex regex


Name Type Description
regex Regex

A Regex object representing a search pattern.


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.

document.AppendText("12\14\2014" & Environment.NewLine)
Dim result As IRegexSearchResult
Dim pattern As String = "(?<mm>\d{2}).(?<dd>\d{2}).(?<yyyy>\d{4})"
Dim myRegEx As New System.Text.RegularExpressions.Regex(pattern)

result = document.StartSearch(myRegEx)
If result.FindNext() Then
    Dim dayFound As String = result.Match.Groups(2).Value
    Dim monthFound As String = result.Match.Groups(1).Value
    Dim yearFound As String = 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))
End If
See Also