Regular Expressions 101

Pro

Negative Lookbehind(?<!(?:cart|order) .*)

Non-Capturing Group(?:cart|order)

1st Alternativecart

cartthe literal text cart (case sensitive)

2nd Alternativeorder

orderthe literal text order (case sensitive)

the literal (32₁₀ / 40₈ / 20₁₆)

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

\ban ASCII word boundary

\d{4,12}a digit, repeated between 4 and 12 times

\ban ASCII word boundary

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.

26 tokens

(?<!(?:cart|order) .*)\b\d{4,12}\b

New

so the cart number is 12344567 that it

my cart number is 1234

order number note down 12345

order 12345

credit card is 0000

4444

the 5456