Regular Expressions 101

Explanation

Pro

\d{8}a digit, repeated exactly 8 times

Negative Lookahead(?!\d)

\da digit

\*{0,2}the literal * (42₁₀ / 52₈ / 2A₁₆) , repeated between 0 and 2 times

Negative Lookahead(?!\*)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

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}(?!\d)\*{0,2}(?!\*)

New

8.40083897*
S903040058061*
51097653
0051384034*51384034* 40083897* 40078422**
1.51097653P

8.40083897*
S903040058061*
51097653
0051384034*51384034* 40083897* 40078422**
1.51097653P