Regular Expressions 101

Explanation
Pro

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Positive Lookahead(?=.*\.)

.*any character (except for line terminators), repeated any number of times

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

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.

26 tokens

\.(?=.*\.)

New

s.af.as.fa.sd.fasdfa.s.df

s.af.as.fa.sd.fasdfa.s.df