* [`BIT_LENGTH`](../../functions-operators/string-functions.md#esql-bit_length)
* [`BYTE_LENGTH`](../../functions-operators/string-functions.md#esql-byte_length)
* [`CONCAT`](../../functions-operators/string-functions.md#esql-concat)
* [`CONTAINS`](../../functions-operators/string-functions.md#esql-contains)
* [`ENDS_WITH`](../../functions-operators/string-functions.md#esql-ends_with)
* [`FROM_BASE64`](../../functions-operators/string-functions.md#esql-from_base64)
* [`HASH`](../../functions-operators/string-functions.md#esql-hash)
* [`LEFT`](../../functions-operators/string-functions.md#esql-left)
* [`LENGTH`](../../functions-operators/string-functions.md#esql-length)
* [`LOCATE`](../../functions-operators/string-functions.md#esql-locate)
* [`LTRIM`](../../functions-operators/string-functions.md#esql-ltrim)
* [`MD5`](../../functions-operators/string-functions.md#esql-md5)
* [`REPEAT`](../../functions-operators/string-functions.md#esql-repeat)
* [`REPLACE`](../../functions-operators/string-functions.md#esql-replace)
* [`REVERSE`](../../functions-operators/string-functions.md#esql-reverse)
* [`RIGHT`](../../functions-operators/string-functions.md#esql-right)
* [`RTRIM`](../../functions-operators/string-functions.md#esql-rtrim)
* [`SHA1`](../../functions-operators/string-functions.md#esql-sha1)
* [`SHA256`](../../functions-operators/string-functions.md#esql-sha256)
* [`SPACE`](../../functions-operators/string-functions.md#esql-space)
* [`SPLIT`](../../functions-operators/string-functions.md#esql-split)
* [`STARTS_WITH`](../../functions-operators/string-functions.md#esql-starts_with)
* [`SUBSTRING`](../../functions-operators/string-functions.md#esql-substring)
* [`TO_BASE64`](../../functions-operators/string-functions.md#esql-to_base64)
* [`TO_LOWER`](../../functions-operators/string-functions.md#esql-to_lower)
* [`TO_UPPER`](../../functions-operators/string-functions.md#esql-to_upper)
* [`TRIM`](../../functions-operators/string-functions.md#esql-trim)
* [`URL_ENCODE`](../../functions-operators/string-functions.md#esql-url_encode)
* [`URL_ENCODE_COMPONENT`](../../functions-operators/string-functions.md#esql-url_encode_component)
* [`URL_DECODE`](../../functions-operators/string-functions.md#esql-url_decode)