strings/contains.hpp
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16 #pragma once
17 
18 #include <cudf/column/column.hpp>
19 #include <cudf/scalar/scalar.hpp>
20 #include <cudf/strings/regex/flags.hpp>
22 
23 #include <rmm/mr/device/per_device_resource.hpp>
24 #include <rmm/resource_ref.hpp>
25 
26 namespace cudf {
27 namespace strings {
28 
29 struct regex_program;
30 
60 std::unique_ptr<column> contains_re(
61  strings_column_view const& input,
62  regex_program const& prog,
63  rmm::cuda_stream_view stream = cudf::get_default_stream(),
64  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
65 
88 std::unique_ptr<column> matches_re(
89  strings_column_view const& input,
90  regex_program const& prog,
91  rmm::cuda_stream_view stream = cudf::get_default_stream(),
92  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
93 
116 std::unique_ptr<column> count_re(
117  strings_column_view const& input,
118  regex_program const& prog,
119  rmm::cuda_stream_view stream = cudf::get_default_stream(),
120  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
121 
162 std::unique_ptr<column> like(
163  strings_column_view const& input,
164  string_scalar const& pattern,
165  string_scalar const& escape_character = string_scalar(""),
166  rmm::cuda_stream_view stream = cudf::get_default_stream(),
167  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
168 
203 std::unique_ptr<column> like(
204  strings_column_view const& input,
205  strings_column_view const& patterns,
206  string_scalar const& escape_character = string_scalar(""),
207  rmm::cuda_stream_view stream = cudf::get_default_stream(),
208  rmm::device_async_resource_ref mr = rmm::mr::get_current_device_resource());
209  // end of doxygen group
211 } // namespace strings
212 } // namespace cudf
An owning class to represent a string in device memory.
Definition: scalar.hpp:430
Given a column-view of strings type, an instance of this class provides a wrapper on this compound co...
Class definition for cudf::column.
rmm::cuda_stream_view const get_default_stream()
Get the current default stream.
std::unique_ptr< column > contains_re(strings_column_view const &input, regex_program const &prog, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a boolean column identifying rows which match the given regex_program object.
std::unique_ptr< column > count_re(strings_column_view const &input, regex_program const &prog, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns the number of times the given regex_program's pattern matches in each string.
std::unique_ptr< column > like(strings_column_view const &input, string_scalar const &pattern, string_scalar const &escape_character=string_scalar(""), rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a boolean column identifying rows which match the given like pattern.
std::unique_ptr< column > matches_re(strings_column_view const &input, regex_program const &prog, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=rmm::mr::get_current_device_resource())
Returns a boolean column identifying rows which matching the given regex_program object but only at t...
cuDF interfaces
Definition: aggregation.hpp:34
Class definitions for cudf::scalar.
Class definition for cudf::strings_column_view.
Regex program class.