Activity › Forums › Salesforce® Discussions › What is REGEX function in Salesforce? Salesforce® Discussions What is REGEX function in Salesforce? Posted by Udit on February 5, 2020 at 6:27 PM What is REGEX function in Salesforce? Shubham replied 6 years, 3 months ago 2 Members · 1 Reply 1 Reply Shubham Member February 5, 2020 at 6:58 PM Hi udit, By using this function we can build validation rule to enforces proper data format. Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me