如题.
2.代码.
Pattern pattern = Pattern.compile("^([A-z]{3}).*$");
Matcher m = pattern.matcher("SKU12");
System.out.println(m.matches());
原文链接：https://www.f2er.com/regex/361047.html
Pattern pattern = Pattern.compile("^([A-z]{3}).*$");
Matcher m = pattern.matcher("SKU12");
System.out.println(m.matches());
原文链接：https://www.f2er.com/regex/361047.html