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UtilHtmlLinkify(String, LinkifyInterfaceType, LinkifyPlugins, LinkifyFormatOptions) Method

Highlights links within strings that contain HTML markup, or replace links in plain-text strings with anchor (<a>) tags.

The behavior depends on the interfaceType parameter.

This function internally uses linkify JavaScript library (https://linkify.js.org/).

Definition

Namespace: DevCase.Core.DataProcessing.Html
Assembly: DevCase.net48 (in DevCase.net48.dll) Version: 6.0.0.0 (6.0)
XMLNS for XAML: Not mapped to an xmlns.

C#Request Example

public static string Linkify(
	string str,
	LinkifyInterfaceType interfaceType,
	LinkifyPlugins plugins = LinkifyPlugins.None,
	LinkifyFormatOptions formatOptions = null
)

VBRequest Example

Public Shared Function Linkify ( 
	str As String,
	interfaceType As LinkifyInterfaceType,
	Optional plugins As LinkifyPlugins = LinkifyPlugins.None,
	Optional formatOptions As LinkifyFormatOptions = Nothing
) As String

Dim str As String
Dim interfaceType As LinkifyInterfaceType
Dim plugins As LinkifyPlugins
Dim formatOptions As LinkifyFormatOptions

Dim returnValue As String

returnValue = UtilHtml.Linkify(str, interfaceType, 
	plugins, formatOptions)

C++Request Example

public:
static String^ Linkify(
	String^ str, 
	LinkifyInterfaceType interfaceType, 
	LinkifyPlugins plugins = LinkifyPlugins::None, 
	LinkifyFormatOptions^ formatOptions = nullptr
)

F#Request Example

static member Linkify : 
        str : string * 
        interfaceType : LinkifyInterfaceType * 
        ?plugins : LinkifyPlugins * 
        ?formatOptions : LinkifyFormatOptions 
(* Defaults:
        let _plugins = defaultArg plugins LinkifyPlugins.None
        let _formatOptions = defaultArg formatOptions null
*)
-> string

ASP.NETRequest Example

No code example is currently available or this language may not be supported.

Parameters

str String

The source html or plain-text string.

interfaceType LinkifyInterfaceType

A interface type that defines how to parse the value specified in str parameter.

If this value is Html, this function will highlight links within strings that contain HTML markup.

If this value is Html, this function will replace links in plain-text strings with anchor (<a>) tags.

plugins LinkifyPlugins (Optional)

Optional LinkifyPlugins flags that adds additional linkify capabilities.

By default this function only linkifies domain urls and email addresses.

Default value: None

formatOptions LinkifyFormatOptions (Optional)

Optional LinkifyFormatOptions object that adds additional formatting capabilities to links.

Return Value

String
The resulting linkified text.

Remarks

Note: To use this functionality you need to install this nuget package:

Microsoft.ClearScript.V8

Example

This is a code example.

C#

No code example is currently available or this language may not be supported.

VB

Dim htmlString As String = "
    <!DOCTYPE html>
    <html>
    <body>
      <p>Linkify Test.</p>
      <p>Domain: example.domain.com</p>
      <p>E-mail Address: For help with GitHub, please email support@github.com</p>
      <p>IP Address: No place like 127.0.0.1</p>
      <p>#Hashtag: Works with hashtags #PhotoOfTheDay or #일상</p>
      <p>@Mention: Check out @Hypercontext and @nfrasser</p>
      <p>#-Ticket: This is related to #42.</p>
    </body>
    </html>"

Dim interfaceType As LinkifyInterfaceType = LinkifyInterfaceType.Html
Dim plugins As LinkifyPlugins = LinkifyPlugins.All

Dim options As New LinkifyFormatOptions
options.UrlProtocol = Uri.UriSchemeHttps
options.TruncateLength = 50
options.TargetAttribute =
    Function(linkType As LinkifyLinkType, href As String) As String
        Return "_blank"
    End Function
options.FormatHref =
    Function(linkType As LinkifyLinkType, href As String) As String
        Select Case linkType
            Case LinkifyLinkType.Hashtag
                Return "https://twitter.com/hashtag/" & href.Substring(1)
            Case LinkifyLinkType.Mention
                Return "https://github.com" & href
            Case LinkifyLinkType.Ticket
                Return "https://github.com/Hypercontext/linkifyjs/issues/" & href.Substring(1)
            Case Else
                Return href ' no formatting
        End Select
    End Function

Dim linkifiedHtml As String = Linkify(htmlString, interfaceType, plugins, options)
Console.WriteLine(linkifiedHtml)

C++

No code example is currently available or this language may not be supported.

F#

No code example is currently available or this language may not be supported.

XAML

No code example is currently available or this language may not be supported.

ASP.NET

No code example is currently available or this language may not be supported.