Regular Expressions 101

Pro

^start of line

Non-Capturing Group(?:(?!RSBO|RRABO|RSISTA0).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!RSBO|RRABO|RSISTA0)

1st AlternativeRSBO

RSBOthe literal text RSBO (case sensitive)

2nd AlternativeRRABO

RRABOthe literal text RRABO (case sensitive)

3rd AlternativeRSISTA0

RSISTA0the literal text RSISTA0 (case sensitive)

.any character (except for line terminators)

$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.

25 tokens

^(?:(?!RSBO|RRABO|RSISTA0).)*$

New

RSBO
FOORSBO
RSBOFOO
FOORSBOBAR
RRABO
FOORRABO
RRABOFOO
FOORRABOBAR
RSISTA0
FOORSISTA0
RSISTA0FOO
FOORSISTA0BAR
THIS_MATCHES