Regular Expressions 101

Explanation

Pro

^start of line

Character Class[\d]{8,9}

{8,9}matches between 8 and 9 characters from the set below:

\da digit

$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

^[\d]{8,9}$

New

1
12
123
1234
12345
123456
1234567
1asd123551asd
31234567
912345678
1231231211
1asd12345678asd
1asd123456789asd

1
12
123
1234
12345
123456
1234567
1asd123551asd
31234567
912345678
1231231211
1asd12345678asd
1asd123456789asd