Visual Basic Code Snippet - Extract URLs
(VB) Visual Basic code snippet to extracts all the URLs from a string. ExtractURLs returns string array of URLs successful matches by iteratively applying a regular expression pattern to the input string.
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Visual Basic Code Snippet - Extract URLs
This .Net Visual Basic (VB) code snippet extracts all the URLs from a string. Data mining for URLs done by set of successful matches found by iteratively applying a regular expression pattern to the input string.
Public Function ExtractURLs(ByVal str As String) As String()
' match.Groups["name"].Value - URL Name
' match.Groups["url"].Value - URI
Dim RegexPattern As String = "<a.*?href=[""'](?<url>.*?)[""'].*?>(?<name>.*?)</a>"
' Find matches.
Dim matches As System.Text.RegularExpressions.MatchCollection = System.Text.RegularExpressions.Regex.Matches(str, RegexPattern, System.Text.RegularExpressions.RegexOptions.IgnoreCase)
Dim MatchList(matches.Count - 1) As String
' Report on each match.
Dim c As Integer = 0
For Each match As System.Text.RegularExpressions.Match In matches
MatchList(c) = match.Groups("url").Value
c += 1
Next match
Return MatchList
End Function
VB Keywords Used:
- Regex
- Match
- MatchCollection
- RegexOptions.IgnoreCase
- Regex.Matches
Code Snippet Information:
- Applies To: .Net, VB, Visual Basic, CLI, Data Mining, URL Extract, Regular Expression
- Programming Language : Visual Basic (VB)
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