Regular Expressions 101

\ban ASCII word boundary

Character Class[0-9]+

+matches at least one character from the set below:

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

\s*any whitespace character, repeated any number of times

kthe literal k (107₁₀ / 153₈ / 6B₁₆) (case sensitive)

\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

\b[0-9]+\s*k\b

New

1) 150 k
2) 150 kilobyte
3) 150 ka
4) 150 k2
5) 150 k)
6) 150 k.
150 k <- beginning of line
... works with other characters (150 k)