regex-function-table.md
string-expression
``- The
VARCHAR
orLONG VARCHAR
expression to evaluate for matches with the regular expression specified inpattern
. Ifstring-expression
is in the__raw__
column of a flex or columnar table, cast the string to aLONG VARCHAR
before searching forpattern
. pattern
``- The regular expression to match against
string-expression
. The regular expression must conform with Perl regular expression syntax.