Regular Expression in AX

static void RegularExpressionMatch(Args _args)
{
    str text = '123';
    
    if (match("^[0-9]+$", text))
    {
        info("It number");
    }
    info("done");
}

static void RegularExpression(Args _args)
{
    str MatchEmailPattern = @"\b[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}\b";
    // string contains several email that we should find
    str text = "Your email: youremail@host.net, and my email: myemail@anotherhost.com";
    System.Text.RegularExpressions.Match myMatch;
    ;
 
    myMatch = System.Text.RegularExpressions.Regex::Match(text, MatchEmailPattern);
 
    while (myMatch.get_Success())
    {
        info(myMatch.get_Value());
        
        myMatch = myMatch.NextMatch();
    }
}

static void RegularExpressionGroups(Args _args)
{
    System.Text.RegularExpressions.Match        regMatch;
    TreeNode                                    treeNode;
    str                                         macroList,
                                                regExp;
    int                                         gCounter = 0;
    System.Text.RegularExpressions.Regex            re;
    System.Text.RegularExpressions.GroupCollection  gc;
    System.Text.RegularExpressions.Group            regGroup;
    ;
    treeNode = TreeNode::findNode('\\macros\\SysBPCheck');

    macroList = treeNode.AOTgetSource();

    regExp      = strFmt(@"\.(\S+)\(%1", 276);
    re          = new System.Text.RegularExpressions.Regex(regExp);
    regMatch    = re.Match(macroList);


    if (regMatch.get_Success())
    {
        //info(regMatch.get_Value());
        gc          = regMatch.get_Groups();
        gCounter    = gc.get_Count();
        if (gCounter > 1)
        {
            regGroup = gc.get_Item(1);
            info(regGroup.get_Value());
        }
    }
}