Regular Expressions 101

Group 1(\d)

\da digit

Character Class[\s.]+

+matches at least one character from the set below:

\sany whitespace character

.the literal . (46₁₀ / 56₈ / 2E₁₆)

Positive Lookahead(?=\d)

\da digit

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

Regular Expression

(\d)[\s.]+(?=\d)

New

This is an 8-string 12.34.5678; and this is another 13-string 1234 5678 9123 0 okay?

This is an 8-string 12.34.5678; and this is another 13-string 1234 5678 9123 0 okay?