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Regex
Replacing
Replace the first regex match in a string with a static string
Transform
"Red Green Blue"
into
"R*d Green Blue"
by replacing
/e/
with
"*"
ruby
p "Red Green Blue".sub(/e/,'*')
p "Red Green Blue".sub(/e/,'*')
cpp
C++/CLI .NET 2.0
String^ Replaced = (gcnew Regex("e"))->Replace("Red Green Blue", "*", 1);
using namespace System;
using namespace System::Text::RegularExpressions;
int main()
{
String^ Replaced = (gcnew Regex("e"))->Replace("Red Green Blue", "*", 1);
Console::WriteLine("{0}", Replaced);
}
fsharp
let replaced = ((new Regex("e")).Replace("Red Green Blue", "*", 1))
printfn "%s" replaced
#light
open System
open System.Text.RegularExpressions
let replaced = ((new Regex("e")).Replace("Red Green Blue", "*", 1))
printfn "%s" replaced
erlang
{ok, Replaced, _} = regexp:sub("Red Green Blue", "e", "*"),
-module(regxsub).
-export([start/0]).
start() ->
{ok, Replaced, _} = regexp:sub("Red Green Blue", "e", "*"),
io:format("~s~n", [Replaced]).
erlang
12B3+
re:replace("Red Green Blue", "e", "*", [{return, list}]).
re:replace("Red Green Blue", "e", "*", [{return, list}]).
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