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Also applies to ColdFusion
| Function | Description |
| Asc | Finds the ASCII value of a character. |
| BinaryDecode | Converts a string to a binary object. |
| BinaryEncode | Converts binary data to a string. |
| Canonicalize | Canonicalize or decodes the input string. |
| CharsetDecode | Converts a string to its binary representation. |
| CharsetEncode | Uses the specified encoding to convert binary data to a string. |
| Chr | Converts a numeric value to a UCS-2 character. |
| CJustify | Centers a string in a field length. |
| Compare | Performs a case-sensitive comparison of two strings. |
| CompareNoCase | Performs a case-insensitive comparison of two strings. |
| DayOfWeekAsString | Determines the day of the week as a string from 1-7. |
| Decrypt | Decrypts a string that is encrypted with the Encrypt function. |
| EncodeForCSS | Encodes the input string for use in CSS. |
| EncodeForDN | Encodes a given string for safe output in LDAP Distinguished Names. |
| EncodeForHTML | Encodes the input string for safe output in the body of a HTML tag. |
| EncodeForHTMLAttribute | Encodes the input string for safe output in the attribute value of a HTML tag. |
| EncodeForJavaScript | Encodes the input string for use in JavaScript. |
| EncodeForLDAP | Encodes an input string for a safe output in LDAP queries. |
| EncodeForURL | Encodes the input string for use in URLs. |
| EncodeForXML | Encodes a string for XML. |
| EncodeForXMLAttribute | Encodes a string that can be used as an XML attribute. |
| Encrypt | Encrypts a string. |
| Find | Finds the first occurrence of a substring in a string, from a specified start position. |
| FindNoCase | Finds the first occurrence of a substring in a string, from a specified start position. The search is not case-sensitive. |
| FindOneOf | Finds the first occurrence of any one of a set of characters in a string, from a specified start position. |
| FormatBaseN | Converts number to a string, in the base specified by a radix. |
| GenerateSecretKey | Generates a secure random key value. |
| GetToken | Determines whether a token of the list in the delimiters parameter is present in a string. |
| Hash | Converts a string into a fixed length hexadecimal string. |
| Hmac | Creates Hash-based Message Authentication Code for the given string based on the algorithm and encoding. |
| HTMLCodeFormat | Replaces special characters in a string with their HTML-escaped equivalents and inserts <pre> and </pre> tags at the beginning and end of the string. |
| HTMLEditFormat | Deprecated function |
| Insert | Inserts a substring in a string after a specified character position. |
| JSStringFormat | Escapes special JavaScript characters, such as single-quotation mark, double-quotation mark, and newline. |
| LCase | Converts the alphabetic characters in a string to lowercase. |
| Left | Returns up to the leftmost count characters in a string. |
| Len | Determines the length of a string or binary object. |
| ListValueCount | Counts instances of a specified value in a list. The search is case-sensitive. |
| ListValueCountNoCase | Counts instances of a specified value in a list. The search is case-insensitive. |
| LJustify | Left justifies characters in a string of a specified length. |
| LSIsCurrency | Determines whether a string is a valid representation of a currency amount in the current locale. |
| LSIsDate | Determines whether a string is a valid representation of a date/time value in the current locale. |
| LSIsNumeric | Determines whether a string is a valid representation of a number in the current locale. |
| LSParseCurrency | Converts a locale-specific currency string into a formatted number. |
| LSParseDateTime | Converts a string that is a valid date/time representation in the current locale into a date/time object. |
| LSParseEuroCurrency | Formats a locale-specific currency string as a number. |
| LSParseNumber | Converts a string that is a valid numeric representation in the current locale into a formatted number. |
| LTrim | Removes leading spaces from a string. |
| Mid | Extracts a substring from a string. |
| MonthAsString | Determines the name of the month that corresponds to month_number. |
| ParagraphFormat | Replaces single and double newline characters with spaces and HTML paragraph tags respectively. |
| ParseDateTime | Parses a date/time string according to the English (U.S.) locale conventions. |
| REFind | Uses a regular expression (RE) to search a string for a pattern. The search is case sensitive. |
| REFindNoCase | Uses a regular expression (RE) to search a string for a pattern, starting from a specified position. The search is case-insensitive. |
| REMatch | Uses a regular expression (RE) to search a string for a pattern, starting from a specified position. The search is case sensitive. |
| REMatchNoCase | Uses a regular expression (RE) to search a string for a pattern, starting from a specified position. The search is case sensitive. |
| RemoveChars | Removes characters from a string. |
| RepeatString | Creates a string that contains a specified number of repetitions of the specified string. |
| Replace | Replaces occurrences of substring1 in a string with an object in a specified scope. The search is case sensitive. |
| ReplaceList | Replaces occurrences of the elements from a delimited list in a string with corresponding elements from another delimited list. The search is case sensitive. |
| ReplaceNoCase | Replaces occurrences of substring1 with substring2, in the specified scope. The search is case-insensitive. |
| REReplace | Uses a regular expression (RE) to search a string for a string pattern and replace it with another. The search is case sensitive. |
| REReplaceNoCase | Uses a regular expression to search a string for a string pattern and replace it with another. The search is case-insensitive. |
| Reverse | Reverses the order of items, such as the characters in a string or the digits in a number. |
| Right | Gets a specified number of characters from a string, beginning at the right. |
| RJustify | Right justifies characters of a string. |
| RTrim | Removes spaces from the end of a string. |
| SpanExcluding | Gets characters from a string, from the beginning to a character that is in a specified set of characters. |
| SpanIncluding | Gets characters from a string, from the beginning to a character that is not in a specified set of characters. |
| StringSort | Sorts an input string. |
| StringSome | Calls a given closure/function with every element in a given string and returns true, if one of the closure calls returns true. |
| StringReduce | Iterates over every element of the string and calls the closure to work on the elements of the string. |
| StringMap | Iterates over every entry of the string and calls the closure function to work on the element of the string. |
| StringFilter | Filters a string to its elements for which the callback function returns true. |
| StringEvery | Determines if all elements of a string satisfy a given condition. |
| StringEach | iterates over a string and runs the closure function for each element in the string. |
| StripCR | Deletes return characters from a string. |
| ToBase64 | Calculates the Base64 representation of a string or binary object. |
| ToBinary | Calculates the binary representation of Base64-encoded data, PDF document, or a spreadsheet. |
| ToString | Converts a value to a string. |
| Trim | Removes leading and trailing spaces and control characters from a string. |
| UCase | Converts the alphabetic characters in a string to uppercase. |
| URLDecode | Decodes a URL-encoded string. |
| URLEncodedFormat | Generates a URL-encoded string. |
| Val | Converts numeric characters that occur at the beginning of a string to a number. |
| Wrap | Wraps text so that each line has a specified maximum number of characters. |
| XmlFormat | Escapes special XML characters in a string so that the string can be used as text in XML. |