3. Strings

§3.1. Literals, Operators, and Escapes 83

§3.2. Comparing Strings 86

§3.3. Characters and Strings 87

§3.4. Indexing and Slicing Strings 90

§3.5. String Formatting with the Fmt Package 93

§3.5.1. Formatting Booleans 97

§3.5.2. Formatting Integers 98

§3.5.3. Formatting Characters 99

§3.5.4. Formatting Floating-Point Numbers 100

§3.5.5. Formatting Strings and Slices 101

§3.5.6. Formatting for Debugging 103

§3.6. Other String-Related Packages 106

§3.6.1. The Strings Package 107

§3.6.2. The Strconv Package 113

§3.6.3. The Utf8 Package 117

§3.6.4. The Unicode Package 118

§3.6.5. The Regexp Package 120

§3.7. Example: M3u2pls 130

This chapter covers Go’s string type and key string-related packages from the standard library. The chapter’s sections include coverage of how to write literal strings and use the string operators; how to index and slice (take substrings of) strings; and how to format the output of strings, numbers, and other built-in and custom types.