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var str = '{top}哈哈哈的路上看到{bottom}23236266{left}236236326236{right}';
var reg = /\{.+?\}/g;
var arr = str.match(reg);
if(arr) alert(arr.join('\n'));
</script>
<script language="JavaScript">
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var str = "{top}哈哈哈的路上看到{bottom}23236266{left}236236326236{right} "
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