Pattern
Quick Reference
.Any character\dDigit [0-9]\wWord char\sWhitespace^Start of line$End of line*0 or more+1 or more?0 or 1{n,m}n to m times[abc]Char class(abc)Capture group(?:abc)Non-capturea|bAlternation\bWord boundary(?=...)LookaheadResults
Matches: 0
Groups: 0