Regular Expressions 101

Explanation

Pro

1st Alternative(?=FacebookPost)

Positive Lookahead(?=FacebookPost)

FacebookPostthe literal text FacebookPost (case sensitive)

2nd Alternative(?<=FacebookPost:)[\s\S]*

Positive Lookbehind(?<=FacebookPost:)

FacebookPost:the literal text FacebookPost: (case sensitive)

Character Class[\s\S]*

*matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

(?=FacebookPost)|(?<=FacebookPost:)[\s\S]*

New

Explore the hidden gem of Cambodia with this captivating travelogue on Koh Rong Samloem island! :palm_tree: Dive into the adventures of a Midlife Adventurer as they share their unforgettable trip report, discovering the pristine beaches and tranquil waters of Koh Rong Samloem. From sandy shores to delectable seafood, this article will transport you to a paradise awaiting exploration.