例子:
- "1 name": 应该说它有字符
- “10,000”:好的
- “na123me”:应该说它有字符
- "na 123, 000": 应该说它有字符
最佳答案
public class HasCharacters {
public static void main( String [] args ){
if( args[0].matches(".*[a-zA-Z]+.*")){
System.out.println( "Has characters ");
} else {
System.out.println("Ok");
}
}
}
测试
$java HasCharacters "1 name"
Has characters
$java HasCharacters "10,000"
Ok
$java HasCharacters "na123me"
Has characters
$java HasCharacters "na 123, 000"
Has characters
关于java - 如何使用正则表达式查找字符串是否至少有一个字符?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/2876798/