Regular Expressions 101

Pro

Negated Character Class[^\S\r\n]*

*matches any number of characters outside the set below:

\Sany character that is not Unicode whitespace

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

@hithe literal text @hi (case sensitive)

\ba Unicode word boundary

Negated Character Class[^\S\r\n]*

*matches any number of characters outside the set below:

\Sany character that is not Unicode whitespace

\ra carriage return (ASCII 13)

\na line-feed (newline) character (ASCII 10)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Negated Character Class[^{}]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

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.

25 tokens

[^\S\r\n]*@hi\b[^\S\r\n]*{[^{}]*}

hello{
    @hi {
        I want this text
    }

    @hola {
        I don't want this text
    }
}

hello{
    @hi {
        I want this text
    }

    @hola {
        I don't want this text
    }
}