Results for “Text cleanup & matching”
Small, practical examples. Search by task or narrow things down below.
Pad a numeric label to a fixed width
C#: Use a numeric format specifier to add leading zeroes.
C#✓ Tested
Parse digits with leading zeroes as decimal
Bash Scripts: The 10# prefix avoids Bash treating a leading zero as an octal notation.
Bash Scripts✓ Tested
Pass an environment value to a child process
PowerShell: The process environment is inherited by a launched child PowerShell process.
PowerShell✓ Tested
Print a selected range of lines
Linux Commands: Use sed -n with a line address to suppress other output.
Linux Commands✓ Tested
Print the final lines of a file
Linux Commands: Use tail -n for a fixed-size suffix of a log.
Linux Commands✓ Tested
Process the lines of an in-memory string
Java: Use String.lines to handle common line terminators without retaining them.
Java✓ Tested
Provide read-only application configuration
Provide read-only application configuration with a small React component and explicit browser behavior.
React✓ Tested
Quote a literal search term for a regex
C#: Regex.Escape prevents metacharacters in a literal term from changing the pattern.
C#✓ Tested
Read a quoted string containing spaces
C++: The quoted manipulator extracts a quoted field without splitting at internal spaces.
C++✓ Tested
Read fields captured by a Bash regular expression
Bash Scripts: BASH_REMATCH contains the full match followed by capture groups after a successful regex test.
Bash Scripts✓ Tested
Read named fields from a successful regex match
PowerShell: The Matches table is updated after a successful scalar match operation.
PowerShell✓ Tested
Read the kind of command being invoked
PowerShell: CommandType distinguishes cmdlets from functions, aliases, and external applications.
PowerShell✓ Tested