javaregexshortest

How can i extract last shortest string using regex in java

how can i extract bold range string in below

string :

  1. hello world blah -d blah vlaah -n blah vlahh
  2. hello world blah -n blah vlahh -d blah vlaah
  3. hello world blah -d blaaah

I tried. -[dn] .*$ but it found longest match string like below

  1. hello world blah -d blah vlaah -n blah vlahh

I want to extract shortest match string . thanks in advance

Solution

  • You can use a negative lookahead to avoid matching another -d/-n in the match:

    -[dn] (?!.*?-[dn]).*$

    RegEx Demo