Regex replace

[Readf0x]

I've noticed that the regex package in the standard library lacks any replace procedures. This is a pretty common feature in most regex implementations that I think would greatly benefit users.

[laytan]

Obviously lacks a bunch of features but this may get you started:

package main

import "core:strings"
import "core:fmt"
import "core:text/regex"

main :: proc() {
	rgx         := "hellope"
	replacement := "redacted"
	content     := "hehellope!hellope!llopewow"

	iterator, err := regex.create_iterator(content, rgx)
	assert(err == nil)

	b: strings.Builder
	off: int
	for match in regex.match_iterator(&iterator) {
		fmt.println(match)

		assert(len(match.pos) == 1, "TODO")
		pos := match.pos[0]
		str := match.groups[0]

		strings.write_string(&b, content[off:pos[0]])
		off = pos[1]

		strings.write_string(&b, replacement)
	}
	strings.write_string(&b, content[off:])

	fmt.println(strings.to_string(b))
}