Converts all lowercase characters into their respective uppercase replacements.


tf.strings.upper("CamelCase string and ALL CAPS")
<tf.Tensor: shape=(), dtype=string, numpy=b'CAMELCASE STRING AND ALL CAPS'>

input A Tensor of type string. The input to be upper-cased.
encoding An optional string. Defaults to "". Character encoding of input. Allowed values are '' and 'utf-8'. Value '' is interpreted as ASCII.
name A name for the operation (optional).

A Tensor of type string.