Regular Expressions 101

Explanation
Pro

Character Class[ktau]{4}

{4}matches exactly 4 characters from the set below:

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

tthe literal t (116₁₀ / 164₈ / 74₁₆) (case sensitive)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

uthe literal u (117₁₀ / 165₈ / 75₁₆) (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.

25 tokens

[ktau]{4}\b

["Rajakatu","Lapinlahdenktau","Nurmenkaut","Linnakoskenkuat"]

["Rajakatu","Lapinlahdenktau","Nurmenkaut","Linnakoskenkuat"]