Regex Tester & Validator

Matches one or more literal escape sequences (`\r`, `\n`, `\"` — a backslash followed by r, n, or a double quote) or actual carriage returns and line feeds, including any mix of both. With the global flag, it's typically used in replace operations to strip line breaks and escaped quotes from text, such as cleaning JSON string values, flattening multiline data, or sanitizing imported content into a single line.