Types of Data

Working with Numbers, Strings, Dates, Currency, and More

This chapter discusses basic data types:

• numbers and strings

• paths, which are a special type of string

• dates and times, which can be either special numbers or special strings

• currency

• hexadecimal values and blobs

At the end of the chapter are two sections that show more advanced methods of interacting with strings and pattern matching with regular expressions.

Contents

Numbers and Strings

Formatting Numbers

Unicode Characters

Path Variables

Create and Customize Path Variables

Relative Paths

File Path Separators

Date-Time Functions and Formats

Date-Time Values

Program with Date-Time Functions

Date-Time Values in Data Tables

Custom Date-Time Formatting with Format Patterns

Currency

Hexadecimal and BLOB Functions

Work with Character Functions

Concat

Munger

Repeat

Substitute and Substitute Into

Regular Expressions

Regex

Regex Match

Special Characters in Regular Expressions

Escaped Characters in Regular Expressions

Greedy and Reluctant Regular Expressions

Backreferences and Capturing Groups

Lookaround Assertions

Pattern Matching

Parsing Strings in Fixed Fields

Patterns and Case

Troubleshooting Patterns

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