One field might contain English (Alpha Numeric) , Chinese characters & some invalid characters. i want to check each character of this field wheather it's English or chinese or Invalid. please advise how i can achieve this.
1) what is the syntax to get each & every character of the field ? The character might be single byte or multi byte
2) what is the syntax to get the byte of each & every character of the field. Each character might be single or multi byte.