Chapter 18. A collection of standard string functions

Table of Contents

function::strlen - Returns the length of a string.
function::substr - Returns a substring.
function::stringat - Returns the char at a given position in the string.
function::isinstr - Returns whether a string is a substring of another string.
function::text_str - Escape any non-printable chars in a string.
function::text_strn - Escape any non-printable chars in a string.
function::tokenize - Return the next non-empty token in a string.
function::str_replace - str_replace Replaces all instances of a substring with another.
function::strtol - strtol - Convert a string to a long.
function::isdigit - Checks for a digit.

Functions to get the length, a substring, getting at individual characters, string seaching, escaping, tokenizing, and converting strings to longs.