Regular Expressions 101

\s{0,3}any whitespace character, repeated between 0 and 3 times

\d{4}a digit, repeated exactly 4 times

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

\s{0,3}\d{4}

New

0706-F
0335-T
4113-O
8798-L