一段字符串 找出标记里面的字符

如:"sdsf${[color=red]saa[/color]}Kj{{sad{{ad}aaaaaaasd}gggg}$kasldj${[color=red]s[/color]}${[color=red]lds[/color]}"

找出红色的字符

[code="java"]String str = "sdsf${saa}Kj{{sad{{ad}aaaaaaasd}gggg}$kasldj${s}${lds}";
Pattern ptn = Pattern.compile("\$\{(.*?)\}");
Matcher m = ptn.matcher(str);
while (m.find()) {
System.out.println(m.group(1));
}[/code]