Regular Expressions 101

^start of line

Group 1([^?!]*)

Negated Character Class[^?!]*

*matches any number of characters outside the set below:

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

!the literal ! (33₁₀ / 41₈ / 21₁₆)

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

^([^?!]*)

New

"hello, i am working through an r workbook. I am doing a regex expression.", "hi, how are you? I am great working through r"

"hello, i am working through an r workbook. I am doing a regex expression.", "hi, how are you? I am great working through r"