Chapter 4. Handling String Expressions

In this chapter, we will cover:

• Appending to a string

• Formatting a string

• Matching a regular expression within a string

• Performing character substitution on a string

• Parsing a string using conversion specifiers

• Determining the length of a string

• Comparing strings

• Comparing a string of characters

• Locating the first instance of a character

• Locating the index of a character

• Determining the class of a string

• Locating the last instance of a string

• Determining the size of a string

• Replacing values within a string

• Locating a pattern within a string

• Returning a range of characters from a string

• Creating a string of repeated characters

• Replacing ranges of characters contained within a string

• Creating a reverse string

• Converting a string to lowercase

• Converting a string to title

• Converting a string to uppercase

• Trimming a string

• Trimming leading whitespace

• Trimming trailing whitespace

• Locating the word end

• Locating the word start

• Performing variable substitution

Introduction

When I first...