Regular Expressions 101

Positive Lookbehind(?<=click=)

click=the literal text click= (case sensitive)

Group 1([^&]+)

Negated Character Class[^&]+

+matches at least one character outside the set below:

&the literal & (38₁₀ / 46₈ / 26₁₆)

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.

Search reference

Regular Expression

(?<=click=)([^&]+)

New

https://play.google.com/store/apps/details?id=air.com.littlebigplay.games.premium.plurals&click=541255b82bc957475c7b6222d1a980a5&mysuffix={HELLO_WORLD}&optid=541255b82bc957475c7b

Regular Expression

Substitution