string:subst-all

说明:用 str-new 替换 字符串中所有的 str-old

用法:
 (string:subst-all str-new str-old str)

参数:1 str-new : 字符串;2 str-old : 字符串;3 str : 字符串;

返回值:结果字符串

示例:
(string:subst-all "qwe"    "abc"    "mabcpoildabce")  => "mqwepoildqwee"