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  1. Function reference
  2. String functions
  3. REGEXP_EXTRACT

REGEXP_EXTRACT

    Syntax

    REGEXP_EXTRACT( string, pattern )
    

    Description

    Returns the substring string that matches the regular expression pattern pattern.

    Argument types:

    • string — String
    • pattern — String

    Return type: String

    Note

    Only constant values are accepted for arguments (pattern).

    Note

    See the documentation of the data source to clarify the regular expression syntax.

    Use the ClickHouse syntax to create regular expressions in materialized datasets.

    Examples

    REGEXP_EXTRACT("RU 912873", "[A-Z]+\s+(\d+)") = "912873"
    

    Data source support

    Materialized Dataset, ClickHouse 1.1, MySQL 8.0.12, Oracle Database 12c (12.1), PostgreSQL 9.3.

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