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replace 

        # String.replace

(from ruby core)
---
    replace(p1)

---

Replaces the contents of `self` with the contents of `other_string`:

    s = 'foo'        # => "foo"
    s.replace('bar') # => "bar"


(This method is an alias for String#initialize_copy.)

Replaces the contents of `self` with the contents of `other_string`:

    s = 'foo'        # => "foo"
    s.replace('bar') # => "bar"

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