import re, macros, strutils

macro `/` (s: string, flagSym: expr): expr {.immediate.} =
    let flags = astToStr(flagSym)
    var re_flags = newNimNode(nnkCurly).add(ident"reStudy")
    if 'i' in flags: re_flags.add(ident"reIgnoreCase")

    result = newCall("re", s, re_flags)


let re1 = "  "/i

echo("  ".match(re1))