Regex tester
Pattern
Input
foo.bar.co.uk
something.co.uk
subdomain.domain.co.tld
Options
Replacement
Click the context tab to see replacements.
3 matches found in about 6 milliseconds.
IndexPositionMatched String$1
00foo.bar.co.uk r
4 captures
  1. f
  2. o
  3. b
  4. r
115something.co.uk g
5 captures
  1. s
  2. m
  3. t
  4. i
  5. g
232subdomain.domain.co.tld.
9 captures
  1. s
  2. b
  3. o
  4. a
  5. n
  6. d
  7. m
  8. i
  9. .
foo.bar.co.uksomething.co.uksubdomain.domain.co.tld
  1. empty string
  2. r
  3. whitespace
  4. g
  5. whitespace
  6. .
  7. empty string