pyflink.table.expression.Expression.regexp_instr

Expression.regexp_instr(regex) → Expression

Returns the position of the first substring in str that matches regex. Result indexes begin at 1, 0 if there is no match. null if any of the arguments are null or regex is invalid.

Parameters:

regex – A STRING expression with a matching pattern.

Returns:

An INTEGER representation of the first matched substring index.

Added in version 1.12.0.