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- bool IsValidStr(char *schas){
- bool valid;
- valid = true;
- for (int i = 0; schas[i]; ++i){
- if ('a' <= schas[i] && schas[i] <= 'z' || 'A' <= schas[i] && schas[i] <= 'Z' || 47 < schas[i] && schas[i] < 58){
- continue;
- }
- else{
- valid = false;
- }
- }
- return valid;
- }
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