Perl Style "Regex Matches?" operator

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//Perl style regex match operator, eg: foo =~ "foo"
  let (=~) target regex =
    System.Text.RegularExpressions.Regex.Match(target, regex).Success

val target : string

val regex : string

namespace System

namespace System.Text

namespace System.Text.RegularExpressions

Multiple items
type Regex =
  new : pattern:string -> Regex + 1 overload
  member GetGroupNames : unit -> string[]
  member GetGroupNumbers : unit -> int[]
  member GroupNameFromNumber : i:int -> string
  member GroupNumberFromName : name:string -> int
  member IsMatch : input:string -> bool + 1 overload
  member Match : input:string -> Match + 2 overloads
  member Matches : input:string -> MatchCollection + 1 overload
  member Options : RegexOptions
  member Replace : input:string * replacement:string -> string + 5 overloads
  ...

Full name: System.Text.RegularExpressions.Regex

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System.Text.RegularExpressions.Regex(pattern: string) : unit
System.Text.RegularExpressions.Regex(pattern: string, options: System.Text.RegularExpressions.RegexOptions) : unit

System.Text.RegularExpressions.Regex.Match(input: string, pattern: string) : System.Text.RegularExpressions.Match
System.Text.RegularExpressions.Regex.Match(input: string, pattern: string, options: System.Text.RegularExpressions.RegexOptions) : System.Text.RegularExpressions.Match