Java determines whether the string contains letters
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Java
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/**
* 该方法主要使用正则表达式来判断字符串中是否包含字母
* @author fenggaopan 2015年7月21日 上午9:49:40
* @param cardNum 待检验的原始卡号
* @return 返回是否包含
*/
public boolean judgeContainsStr(String cardNum) {
String regex=".*[a-zA-Z]+.*";
Matcher m=Pattern.compile(regex).matcher(cardNum);
return m.matches();
}
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