Question

What does [aeiou] match in a regular expression? 

A Any character that is NOT a vowel.
B Any single vowel (a, e, i, o, u).
C The exact string "aeiou".
D Any character from 'a' to 'u'.
Practice Next

Hey! Ask a query

🎓
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
  • 200 Questions with Detailed Solutions
  • Section-wise Coverage (GA, English, Quant & Reasoning)