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Appendix C Formula Functions Reference 465
Character Pattern Functions
For more information and an example you can run, select Help > Indexes > JSL Operators and
select Regex.
Hex to Blob, Char to Blob, Blob to Char
Hex to Blob converts the hexadecimal to a blob (Binary Large Object).
Char to Blob converts the string to a blob. You can specify the encoding in an optional second
argument. Supported encodings are: utf-8, utf-16le, utf-16be, us-ascii, iso-8859-1, and ascii-hex.
Blob to Char converts the blob to a string. You can specify the encoding in an optional second
argument. Supported encodings are: utf-8, utf-16le, utf-16be, us-ascii, iso-8859-1, and ascii-hex.
Character Pattern Functions
These functions provide powerful pattern matching abilities. For complete details, see the JMP
Scripting Guide.
Pat Any
Constructs a pattern that matches a single character in the argument.
Pat Not Any
Constructs a pattern that matches a single character that is not in the argument.
Pat Break
Constructs a pattern that matches zero or more characters that are not in its argument; it stops or
breaks on a character in its argument. It fails if a character in its argument is not found (in particular, it
fails to match if it finds the end of the source string without finding a break character).
Pat Span
Constructs a pattern that matches one or more (not zero) occurrences of characters in its argument. It is
greedy; it always matches the longest possible string. It fails rather than matching zero characters.
Pat String
Constructs a pattern that matches its string argument.
Pat Len
Constructs a pattern that matches n characters.
Pat Pos
Constructs patterns that match the null string if the current position is int from the left end of the
string, and fail otherwise.
Pat R Pos
Constructs patterns that match the null string if the current position is int from the right end of the
string, and fails otherwise.
C Formula Functions Reference