-- -*- M2-comint -*- {* hash: -815352723 *}
i1 : replace ("[a-z]+", "x", "Dog cat cat.")
o1 = Dx x x.
i2 : replace ("([a-z]+)", "(\\1)", "Dog cat cat.")
o2 = D(og) (cat) (cat).
i3 :
-- -*- M2-comint -*- {* hash: -815352723 *}
i1 : replace ("[a-z]+", "x", "Dog cat cat.")
o1 = Dx x x.
i2 : replace ("([a-z]+)", "(\\1)", "Dog cat cat.")
o2 = D(og) (cat) (cat).
i3 :
::
::
::
