strings
String manipulation and processing
Learn to replace newlines like \r\n or \n in C# strings using ReplaceLineEndings, Regex.Replace, or chained methods. Handle cross-platform text from files or APIs with code examples and pitfalls.
Idiomatic Java ways to count specific characters like dots in strings without loops: streams, replace tricks, regex. Efficient one-liners for 'a.b.c.d' yielding 3, with performance tips and best practices for Java strings.
Learn to remove all whitespace characters (spaces, tabs, newlines) from Ruby strings using gsub and delete. Unlike PHP trim or Ruby strip, these methods clean everywhere for efficient string processing.
Learn how to preserve up to 12 decimal digits when reading Excel with Polars to string (Utf8). Fix truncation using xlsx2csv_options, infer_schema_length=0, schema_overrides, or openpyxl engine for exact precision.
Learn to break long YAML strings over multiple lines using literal (|) and folded (>) block scalars. Preserve quotes, control newlines with chomping, and avoid concatenation pitfalls for readable YAML configs.