How to use Regex to get matching list of records with specific regular expression in Background Script - Support and Troubleshooting

How to use Regex to get matching list of records with specific regular expression in Background Script Summary UseCase: Customer needs to find transaction log entries by the user "guest" and those matching the Regex /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/.

Instructions -- Tested in OOB instance with creating dummy user with user_od having similar syntax as customer scenario User:Test User with user id: 0127761e-41b4-4885-ba77-fc246e3300e2

-- Sample code snippet var gr = new GlideRecord("syslog_transaction"); gr.addEncodedQuery("sys_created_onONThis week@javascript:gs.beginningOfThisWeek()@javascript:gs.endOfThisWeek()^urlSTARTSWITH/api/now/"); gr.query(); gs.info(gr.getRowCount()); while (gr.next()) { var str = gr.sys_created_by; var regex = /([0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12})/; if(regex.test(str)) gs.print('satisfied -- sys_id : ' + gr.sys_id + ' : sys_created_by : ' + gr.sys_created_by ); else { gs.print('not satisfied -- sys_id : ' + gr.sys_id + ' : sys_created_by : ' + gr.sys_created_by ); } }

[0:00:00.646] Script completed in scope global: script *** Script: 2638

*** Script: not satisfied -- sys_id : 9198c6241bab6d1038b80b05464bcb4d : sys_created_by : abc *** Script: not satisfied -- sys_id : 93098a641bab6d1038b80b05464bcbc9 : sys_created_by : xyz *** Script: satisfied -- sys_id : 935056e81bab6d1038b80b05464bcb33 : sys_created_by : 0127761e-41b4-4885-ba77-fc246e3300e2 *** Script: satisfied -- sys_id : 93ddcee41bab6d1038b80b05464bcbf1 : sys_created_by : 0127761e-41b4-4885-ba77-fc246e3300e2