Regular Expressions 101

Explanation
Pro

^start of line

Group 1([0-9]*)

Character Class[0-9]*

*matches any number of characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

$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

^([0-9]*)$

New

658748593
758743218
689211322
+33658748593
+33758743218
+33689211322

658748593
758743218
689211322
+33658748593
+33758743218
+33689211322