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  1. Catalog
  2. System.Text.RegularExpressions
  3. RegexRunner
  4. Scan(ReadOnlySpan<Char>)
  • RegexRunner
    • runcrawl
    • runcrawlpos
    • runmatch
    • runregex
    • runstack
    • runstackpos
    • runtext
    • runtextbeg
    • runtextend
    • runtextpos
    • runtextstart
    • runtrack
    • runtrackcount
    • runtrackpos
    • RegexRunner()
    • Capture(Int32, Int32, Int32)
    • CharInClass(Char, String)
    • CharInSet(Char, String, String)
    • CheckTimeout()
    • Crawl(Int32)
    • Crawlpos()
    • DoubleCrawl()
    • DoubleStack()
    • DoubleTrack()
    • EnsureStorage()
    • FindFirstChar()
    • Go()
    • InitTrackCount()
    • IsBoundary(Int32, Int32, Int32)
    • IsECMABoundary(Int32, Int32, Int32)
    • IsMatched(Int32)
    • MatchIndex(Int32)
    • MatchLength(Int32)
    • Popcrawl()
    • Scan(Regex, String, Int32, Int32, Int32, Int32, Boolean)
    • Scan(Regex, String, Int32, Int32, Int32, Int32, Boolean, TimeSpan)
    • Scan(ReadOnlySpan<Char>)
    • TransferCapture(Int32, Int32, Int32, Int32)
    • Uncapture()
net9.0
namespace System.Text.RegularExpressions
{
    [EditorBrowsable(EditorBrowsableState.Never)]
    public abstract class RegexRunner
    {
        protected internal virtual void Scan(ReadOnlySpan<char> text);
    }
}
Design Reviews
  • dotnet/runtime#59629 4 years ago (Approved)
.NET
7.08.09.0
Information specific to net9.0
Assembly

System.Text.RegularExpressions , Version=9.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

The API is automatically referenced.

Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API
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10/17/2026
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