strings/contains.hpp
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4  * Licensed under the Apache License, Version 2.0 (the "License");
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15  */
16 #pragma once
17 
18 #include <cudf/column/column.hpp>
19 #include <cudf/scalar/scalar.hpp>
20 #include <cudf/strings/regex/flags.hpp>
22 
24 #include <rmm/resource_ref.hpp>
25 
26 namespace CUDF_EXPORT 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,
65 
88 std::unique_ptr<column> matches_re(
89  strings_column_view const& input,
90  regex_program const& prog,
93 
116 std::unique_ptr<column> count_re(
117  strings_column_view const& input,
118  regex_program const& prog,
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(""),
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(""),
209  // end of doxygen group
211 } // namespace strings
212 } // namespace CUDF_EXPORT cudf
An owning class to represent a string in device memory.
Definition: scalar.hpp:431
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.
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
device_memory_resource * get_current_device_resource()
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 > 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...
std::unique_ptr< column > like(strings_column_view const &input, strings_column_view const &patterns, 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 corresponding like pattern in the given pat...
cuDF interfaces
Definition: aggregation.hpp:35
Class definitions for cudf::scalar.
Class definition for cudf::strings_column_view.
Regex program class.