Class RegexReplace

Inheritance Relationships

Base Type

Class Documentation

class RegexReplace : public mindspore::dataset::TensorTransform

Replace a UTF-8 string tensor with 'replace' according to regular expression 'pattern'.

Public Functions

inline RegexReplace(const std::string &pattern, const std::string &replace, bool replace_all = true)

Constructor.

参数

  • pattern – [in] The regex expression patterns.

  • replace – [in] The string to replace the matched element.

  • replace_all – [in] Confirm whether to replace all. If false, only replace the first matched element; if true, replace all matched elements (default=true).

样例
/* Define operations */
auto regex_op = text::RegexReplace("\\s+", "_", true);

/* dataset is an instance of Dataset object */
dataset = dataset->Map({regex_op},   // operations
                       {"text"});    // input columns
RegexReplace(const std::vector<char> &pattern, const std::vector<char> &replace, bool replace_all)

Constructor.

参数

  • pattern – [in] The regex expression patterns. Type should be char of vector.

  • replace – [in] The string to replace the matched element.

  • replace_all – [in] Confirm whether to replace all. If false, only replace the first matched element; if true, replace all matched elements (default=true).

~RegexReplace() override = default

Destructor.