# Text Functions - [ASCII](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/ascii.md): Returns the ASCII code for a given character - [CHAR](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/char.md): Returns the character for a given ASCII code - [CONCAT](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/concat.md): Concatenates all inputs into a string - [CONTAINS](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/contains.md): Checks if a given column contains specified text - [ENDSWITH](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/endswith.md): Determines whether a given string ends with a specified substring - [FIND](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/find.md): Finds the index of a substring within a string - [FINDNTH](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/findnth.md): Returns the nth occurrence of a substring within a string - [ISEMPTY](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/isempty.md): Determines if value(s) are empty strings - [JSONPARSE](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/jsonparse.md): Extracts a single field from a json - [LEFT](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/left.md): Returns a certain numbers of characters within a string, counting from the left - [LENGTH](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/length.md): Returns the number of characters within a given text - [LOWER](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/lower.md): Returns a string, converted to lowercase - [LTRIM](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/ltrim.md): Removes leading whitespace - [MID](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/mid.md): Returns a portion of input text beginning at specified location - [PROPER](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/proper.md): Convert text strings to proper case - [RIGHT](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/right.md): Returns a certain numbers of characters within a string, counting from the right - [RTRIM](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/rtrim.md): Removes trailing whitespace - [SPACE](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/space.md): Produces desired number of spaces - [SPLIT](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/split.md): Split a string based on a given delimiter - [STARTSWITH](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/startswith.md): Determines whether a given string begins with a specified substring - [TRIM](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/trim.md): Removes leading, trailing and repeated whitespace from a text string - [SUBSTITUTE](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/substitute.md): Substitutes all instances of one value with another value - [UPPER](https://docs.cascade.io/cascade/functions-and-expressions/functions/text/upper.md): Returns a string, converted to uppercase --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.cascade.io/cascade/functions-and-expressions/functions/text.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.