Regular Expressions 101

.{13,}?any character (except for line terminators), repeated at least 13 times

Character Class[ ]

the literal (32₁₀ / 40₈ / 20₁₆)

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

.{13,}?[ ]

New

This is a test. The app should break this string in substring on whitespaces after 13 characters

$0\n