Regular Expressions 101

(?i)applies the following effective flags to the remainder of the pattern: gmi

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Positive Lookbehind(?<=QUOTE )

QUOTE the literal text QUOTE (case insensitive)

\d+a digit, repeated at least once

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

(?i)(?<=QUOTE )\d+

New

So#   Comments
1   sjhsh QUOTE 234566
1   sdsds customer call QUote 239876 Call back
2   adsdfh unknown call from customer QUOTE 189067 sdkjsd woieweio 
3   QUOTE 657894 customer called for service

Regular Expression

Substitution