Regular Expressions

Function Name	Description
REGEXP_EXTRACT	Extracts the first string in expression that matches the REGEXP expression and corresponds to the REGEX group index.
REGEXP_LIKE	Returns true when the specified regular expression matches values in a column. Otherwise, returns false.
REGEXP_MATCHES	Returns true when the specified regular expression matches values in a column. Otherwise, returns false.
REGEXP_REPLACE	Finds strings that match the given regular expression and replaces the strings with the given string.
REGEXP_SPLIT	Splits an input string by using a regular expression according to a keyword and an integer value.