Extended string module (string)

The string module is a Lua standard library. XXTouch extends it with additional utilities.

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• Convert to hex string (string.to_hex)
• Convert from hex string (string.from_hex)
• Convert GBK-encoded text to UTF-8 (string.from_gbk)
• Compute MD5 hash of string (string.md5)
• Compute SHA1 hash of string (string.sha1)
• Base64-encode string (string.base64_encode)
• Decode Base64 string (string.base64_decode)
• Encode a URI (string.encode_uri)
• Decode a URI (string.decode_uri)
• Encrypt a string (string.aes128_encrypt)
• Decrypt an encrypted string (string.aes128_decrypt)
• Split string by separator pattern (string.split)
• Trim leading whitespace (string.ltrim)
• Trim trailing whitespace (string.rtrim)
• Trim both ends (string.trim)
• Trim all whitespaces (string.atrim)
• Strip UTF-8 BOM (string.strip_utf8_bom)
• Generate a random string (string.random)
• Compare two version strings (string.compare_version)
• Check if a string starts with (string.starts_with)
• Check if a string ends with (string.ends_with)
• Left pad (string.lpad)
• Right pad (string.rpad)
• Extended string samples