SQL FunctionsString FunctionsREGEXPOn this pageREGEXPReturns 1 if the string expr matches the regular expression specified by the pattern pat, 0 otherwise.Syntax<expr> REGEXP <pattern>ExamplesSELECT 'databend' REGEXP 'd*';+--------------------------+| ('databend' regexp 'd*') |+--------------------------+| 1 |+--------------------------+