pot_dates = "2014-01-01 201-02-05 2022-09-05"

for v pot_dates.regex("\\d{4}-\\d{2}-\\d{2}").0.assume1() v.println()

reg = pot_dates.regex("\\t\\h\\is is not a regex")

match reg {
    reg.0 {
        "regex matches:".println()
        for reg reg reg.println()
    }
    true "not a valid regex!".println()
}