regex - Get number from URL string -

so have url

val url = "bla_bla/5555/review" 

and want number 5555. have try:

val spl = url.split("/") val number = spl(spl.length - 2) 

any other suggestions ?

val url = "bla_bla/5555/review" val pattern = "[0-9]+".r 

to find single match, can do

pattern.findfirstmatchin(url) 

for more 1 match, can do

 pattern.findallmatchin(url)