标准库String-1

字符串操作相关关键字（上）。

字符串操作相关关键字（上）

• Convert To Lowercase
• Convert To Uppercase
• Decode Bytes To String
• Encode String To Bytes
• Fetch From Left
• Fetch From Right
• Format String
• Generate Random String
• Get Line
• Get Line Count
• Get Lines Containing String
• Get Lines Matching Pattern
• Get Lines Matching Regexp
• Get Regexp Matches
• Get Substring