Regular Expressions 101

.*?any character (except for line terminators), repeated any number of times

Group 1(notify|not in stock|in stock)

1st Alternativenotify

notifythe literal text notify (case sensitive)

2nd Alternativenot in stock

not in stockthe literal text not in stock (case sensitive)

3rd Alternativein stock

in stockthe literal text in stock (case sensitive)

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

.*?(notify|not in stock|in stock)

New

item1 120usd not in stock item2 150usd in stock item3 100usd notify item4 12usd in stock item5 25usd not in stock item6 250usd notify item7 50usd in stock item8 30sud in stock item9 5usd notify item10 5usd notify

Regular Expression

Substitution