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

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