Java 正则表达式之Matcher简介说明

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Java 正则表达式之Matcher简介说明

Matcher功能简介

根据Pattern对象为字符串进行匹配检查
例:

Pattern p = Pattern.compile("cat");
Matcher m = p.matcher("one java265 two java265 in the other");//输入序列
StringBuffer sb = new StringBuffer();
while (m.find()) {
    m.appendReplacement(sb, "info");
    System.out.println("sb="+sb);
}
m.appendTail(sb);//
System.out.println(sb.toString());
 
-------------------------输出---------------------------------------------------------------------
sb=one java265
sb=one info two info
one java265 two java265 in the other