End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

MatchData#string

mtch.string → str

static VALUE
match_string(VALUE match)
{
    match_check(match);
    return RMATCH(match)->str;  /* str is frozen */
}

Returns a frozen copy of the string passed in to match.

Example

m = /(.)(.)(\d+)(\d)/.match("THX1138.")
m.string   #=> "THX1138."

See also #size #to_a #regexp #to_s also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0