Regular Expressions 101

Non-Capturing Group(?:\d[ -]*?){13,16}

{13,16}repeats the group contents below between 13 and 16 times:

\da digit

Character Class[ -]*?

*?matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\ban ASCII word boundary

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?:\d[ -]*?){13,16}\b

New

9999 - 9999 - 9999 - 9
9999 - 9999 - 9999 - 99
9999 - 9999 - 9999 - 999
9999 - 9999 - 9999 - 9999
999 - 999 - 999 - 999 - 999
99-99-99-99-99-99-99
9-9-9-9-9-9-9-9-9-9-9-9-9

Regular Expression

Substitution