文章转载自https://blog.csdn.net/Richard__Ting/article/details/80772174 判断是否为数字 #include <iostream> #include <iomanip> #include <string> #include <cctype> //判断字符类型需要的头文件 using namespace std; int main() { string str; int len; int n; int c
利用正则. u4e00-u9fa5; //中文 ^[A-Za-z]+$ //英文字母 //截取冲击式样形状 public string SubStringForXingZhuang(string xingzhuangDetail) { int index = xingzhuangDetail.IndexOf('型'); ].ToString(); Match mInfo = Regex.Match(xing, @"^[A-Za-z]+$"); if (mInfo.Success
[抄题]: Given two strings s1 and s2, write a function to return true if s2 contains the permutation of s1. In other words, one of the first string's permutations is the substring of the second string. Example 1: Input:s1 = "ab" s2 = "eidbaooo
exeg Warning This function was DEPRECATED in PHP 5.3.0, and REMOVED in PHP 7.0.0. function checkStr($str){ $output=''; $arr = array(); preg_match('/['.chr(0xa1).'-'.chr(0xff).']/', $str, $a, PREG_OFFSET_CAPTURE); preg_match('/[0-9]/', $str, $b, PREG
问题描述: 向Oracle数据库中一varchar2(64)类型字段中插入一条String类型数据,程序使用String.length()来进行数据的长度校验,如果数据是纯英文,没有问题,但是如果数据中包含中文,校验可以通过,但是在数据入库时经常会报数据超长. 问题分析: 既然问题是数据超长,那么问题应该就是出在数据长度校验上,也就是出在String.length()这个方法上,来看看JDK是如何描述这个方法的: length public int length()返回此字符串的长度.长度等于字
Lweb and String Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 261 Accepted Submission(s): 174 Problem Description Lweb has a string S. Oneday, he decided to transform this string to a new s