<How to use back references in kotlin regular expr...

# stackoverflow

[user]

How to use back references in kotlin regular expressions?
I'm trying to use a regular expression with back references in kotlin to replace the placeholders of a String in the following fashion:


Source: "This is a %s with %02d whatever"

Target: "This is a with whatever"


So I'm looking for something like this but with a proper syntax, of course:

private fun escapePlaceHolders(text: String): String {
return """%([^ ]+?)""".toRegex().replace(text, "")
}


Obviously this code doesn't even compile, let alone work. The problem is that I...