Regular Expressions 101

Explanation

Pro

\ban ASCII word boundary

rahulthe literal text rahul (case insensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case insensitive)

Negated Character Class[^\s\w]*

*matches any number of characters outside the set below:

\sany whitespace character

\wany word character

Positive Lookahead(?=\s|$)

1st Alternative\s

\sany whitespace character

2nd Alternative$

$end of string, or before its final line terminator

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Detailed match information will be displayed here automatically.

25 tokens

\brahuls?[^\s\w]*(?=\s|$)

New

hello rahul! vyas and rahul? and rahul. and rahul: and rahul and rahul( and rahul) and rahul{ rahul.shiv

hello rahul! vyas and rahul? and rahul. and rahul: and rahul and rahul( and rahul) and rahul{ rahul.shiv