Regular Expressions 101

Pro

_ABCthe literal text _ABC (case sensitive)

Non-Capturing Group(?:(?!_ABC).)+

+repeats the group contents below at least once:

Negative Lookahead(?!_ABC)

_ABCthe literal text _ABC (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

_ABC(?:(?!_ABC).)+$

New

_AB:C-_ABCDEF_ABC:45_ABC:454:
_AB:C-_ABCDEF_ABC:45_ABC_ABC:454:

_CBA

_AB:C-_ABCDEF_ABC:45_ABC:454:
_AB:C-_ABCDEF_ABC:45_ABC_ABC:454: