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>
23 
24 namespace CUDF_EXPORT cudf {
25 namespace strings {
26 
27 struct regex_program;
28 
58 std::unique_ptr<column> contains_re(
59  strings_column_view const& input,
60  regex_program const& prog,
63 
86 std::unique_ptr<column> matches_re(
87  strings_column_view const& input,
88  regex_program const& prog,
91 
114 std::unique_ptr<column> count_re(
115  strings_column_view const& input,
116  regex_program const& prog,
119 
160 std::unique_ptr<column> like(
161  strings_column_view const& input,
162  string_scalar const& pattern,
163  string_scalar const& escape_character = string_scalar(""),
166 
201 std::unique_ptr<column> like(
202  strings_column_view const& input,
203  strings_column_view const& patterns,
204  string_scalar const& escape_character = string_scalar(""),
207  // end of doxygen group
209 } // namespace strings
210 } // namespace CUDF_EXPORT cudf
An owning class to represent a string in device memory.
Definition: scalar.hpp:429
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.
rmm::device_async_resource_ref get_current_device_resource_ref()
Get the current device memory resource reference.
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
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=cudf::get_current_device_resource_ref())
Returns a boolean column identifying rows which match the given regex_program object.
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=cudf::get_current_device_resource_ref())
Returns a boolean column identifying rows which matching the given regex_program object but only at t...
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=cudf::get_current_device_resource_ref())
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, 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=cudf::get_current_device_resource_ref())
Returns a boolean column identifying rows which match the corresponding like pattern in the given pat...
cuDF interfaces
Definition: host_udf.hpp:39
Class definitions for cudf::scalar.
Class definition for cudf::strings_column_view.
Regex program class.