Regular Expressions 101

@CustomAnnotationthe literal text @CustomAnnotation (case sensitive)

\s+any whitespace character, repeated at least once

.*any character (except for line terminators), repeated any number of times

fun the literal text fun (case sensitive)

Group 1(\w+)

\w+any word character, repeated at least once

\s*any whitespace character, repeated any number of times

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2([^)]*)

Negated Character Class[^)]*

*matches any number of characters outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

@CustomAnnotation\s+.*fun (\w+)\s*\(([^)]*)\)

New

class SourceClass {
    @CustomAnnotation
    fun annotatedFun1(vararg argument: Any) {
        //Do something
    }

    @CustomAnnotation
    fun annotatedFun2(vararg argument: Any) {
        //Do something
    }

    fun someOtherFun() {
        //Do something
    }
}

Regular Expression

Substitution