Text Functions

Utility functions that work on text data. These functions are available in text-util.afl. To use these functions, add following line at the top of your afl:

#include <text-util.afl>

Functions

strSubstring

AmiBroker substring function. Returns a string that is a substring of the text. Implementation of Java substring function in AmiBroker. For more details see javadoc.

Example

result = strSubstring("smiles", 1, 5);
// result will be "mile"

Parameters

Parameter	Type	Description
text	string	the text to operate on
beginIndex	integer	the beginning index (inclusive), index of first character is zero
endIndex	integer	the ending index (exclusive)

---

strFirstN

A function that returns first N characters of a string.

Example

result = strFirstN("abcdef", 2);
// result will be "ab"

Parameters

Parameter	Type	Description
text	string	the text to operate on
n	integer	number of characters

---

strLastN

A function that returns last N characters of a string.

Example

result = strLastN("BANKNIFTY2010932400PE", 2);
// result will be "PE"

Parameters

Parameter	Type	Description
text	string	the text to operate on
n	integer	number of characters