Regular Expressions 101

^start of line

Negative Lookahead(?!QCNIL|Epic_SNA)

1st AlternativeQCNIL

QCNILthe literal text QCNIL (case sensitive)

2nd AlternativeEpic_SNA

Epic_SNAthe literal text Epic_SNA (case sensitive)

.+any character (except for line terminators), repeated at least once

$end of line

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

^(?!QCNIL|Epic_SNA).+$

New

Epic_IKDH_Appt_Phone_Reminders_20191030.txt 
Epic_NAMMI_Appt_Phone_Reminders_20191031.txt 
QCNIL-Recall_Phone_Reminders_20191029.txt 
Epic_SNA_Appt_No_Show_Reminders_20191029.txt


Epic_IKDH_Appt_Phone_Reminders_20191030.txt
Epic_NAMMI_Appt_Phone_Reminders_20191031.txt
QCNIA-Recall_Phone_Reminders_20191029.txt 
Epic_SNB_Appt_No_Show_Reminders_20191029.txt