| char | Output special characters (e.g., 'newline'). | 
| decode | Decode bytes into a string. | 
| detect | Various commands for detecting things. | 
| detect columns | Attempt to automatically split text into multiple columns. | 
| detect type | Infer Nushell datatype from a string. | 
| encode | Encode a string into bytes. | 
| format | Various commands for formatting data. | 
| format date | Format a given date using a format string. | 
| format duration | Outputs duration with a specified unit of time. | 
| format filesize | Converts a column of filesizes to some specified format. | 
| format pattern | Format columns into a string using a simple pattern. | 
| nu-check | Validate and parse input content. | 
| nu-highlight | Syntax highlight the input string. | 
| parse | Parse columns from string data using a simple pattern or a supplied regular expression. | 
| print | Print the given values to stdout. | 
| split | Split contents across desired subcommand (like row, column) via the separator. | 
| split chars | Split a string into a list of characters. | 
| split column | Split a string into multiple columns using a separator. | 
| split row | Split a string into multiple rows using a separator. | 
| split words | Split a string's words into separate rows. | 
| str | Various commands for working with string data. | 
| str camel-case | Convert a string to camelCase. | 
| str capitalize | Capitalize first letter of text. | 
| str contains | Checks if string input contains a substring. | 
| str distance | Compare two strings and return the edit distance/Levenshtein distance. | 
| str downcase | Make text lowercase. | 
| str ends-with | Check if an input ends with a string. | 
| str expand | Generates all possible combinations defined in brace expansion syntax. | 
| str index-of | Returns start index of first occurrence of string in input, or -1 if no match. | 
| str join | Concatenate multiple strings into a single string, with an optional separator between each. | 
| str kebab-case | Convert a string to kebab-case. | 
| str length | Output the length of any strings in the pipeline. | 
| str pascal-case | Convert a string to PascalCase. | 
| str replace | Find and replace text. | 
| str reverse | Reverse every string in the pipeline. | 
| str screaming-snake-case | Convert a string to SCREAMING_SNAKE_CASE. | 
| str snake-case | Convert a string to snake_case. | 
| str starts-with | Check if an input starts with a string. | 
| str stats | Gather word count statistics on the text. | 
| str substring | Get part of a string. Note that the first character of a string is index 0. | 
| str title-case | Convert a string to Title Case. | 
| str trim | Trim whitespace or specific character. | 
| str upcase | Make text uppercase. | 
| url decode | Converts a percent-encoded web safe string to a string. | 
| url encode | Converts a string to a percent encoded web safe string. |