以下是使用示例:

var found = [],          // an array to collect the strings that are found
    rxp = /{([^}]+)}/g,
    str = "a {string} with {curly} braces",
    curMatch;

while( curMatch = rxp.exec( str ) ) {
    found.push( curMatch[1] );
}

console.log( found );    // ["string", "curly"]