Regular Expressions 101

Pro

RTthe literal text RT (case sensitive)

Group 1(\A|\s)

1st Alternative\A

\Athe literal A (65₁₀ / 101₈ / 41₁₆) (case sensitive)

2nd Alternative\s

\sany whitespace character

@the literal @ (64₁₀ / 100₈ / 40₁₆)

Group 2(\w)+

+repeats the group contents below at least once:

\wany word character

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

RT(\A|\s)@(\w)+

New

RT @iamkhiofficial2323: #lahore #LahoreBlasts : #punjabgovt 9 #dead. 20 #injured. https://t.co/UU7doEtTmZ #pray #unite #notgivingup  RT @iamkhiofficial2323
 RT @iamkhiofficial2323

Extraction

RT @iamkhiofficial2323: #lahore #LahoreBlasts : #punjabgovt 9 #dead. 20 #injured. https://t.co/UU7doEtTmZ #pray #unite #notgivingup  RT @iamkhiofficial2323
 RT @iamkhiofficial2323