Regular Expressions 101

Pro

^start of line

Non-Capturing Group(?:56-|78-|\d)

1st Alternative56-

56-the literal text 56-

2nd Alternative78-

78-the literal text 78-

3rd Alternative\d

\da digit

\d+a digit, repeated at least once

$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

Regular Expression

^(?:56-|78-|\d)\d+$

New

Valid matches:

12
123456789
423432423423423423423432
56-1
56-23456789
78-12
78-34234234234234234234234

Invalid matches:

1
1-
11-
1-112
44-2342424
64-4345334
55-sdrfewrwe
56-
5678-234324123423154