通过indexOf（）查找某个字符串位置

AS。的

// 循环直到indexOf()返回-1
while ( ( index = example.indexOf( "cool", index + 1 ) ) != -1 ) {
/* 显示：
String contains word cool at index 30
String contains word cool at index 41
String contains word cool at index 52
*/
trace( "String contains word cool at index " + index );

}

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