Results for “Strings & text”
Small, practical examples. Search by task or narrow things down below.
Remove a known prefix safely
Python: Use removeprefix instead of lstrip when removing a literal prefix rather than a set of characters.
Python✓ Tested
Remove a known suffix safely
Python: Use removesuffix to remove only a matching ending.
Python✓ Tested
Remove a prefix only when it matches
Remove a prefix only when it matches in a complete Rust program using the standard library.
Rust✓ Tested
Remove a trailing carriage return from a line
Bash Scripts: Use an ANSI-C quoted carriage return as the suffix pattern.
Bash Scripts✓ Tested
Remove blank or whitespace-only lines
Linux Commands: Use a POSIX character class so tabs and spaces are handled together.
Linux Commands✓ Tested
Remove carriage-return characters
Linux Commands: Use tr -d to remove CR characters from Windows-style line endings.
Linux Commands✓ Tested
Reorder fields with a capture group
Linux Commands: Use extended regular expressions and backreferences to rearrange a known format.
Linux Commands✓ Tested
Repeat a string a fixed number of times
JavaScript: String.repeat requires a nonnegative finite repetition count.
JavaScript✓ Tested
Repeat a string a fixed number of times
TypeScript: String.repeat requires a nonnegative finite repetition count.
TypeScript✓ Tested
Replace a literal substring
SQL: REPLACE performs a literal replacement rather than a regular-expression substitution.
SQL✓ Tested
Replace a literal substring
SQL Server: REPLACE performs a literal replacement rather than a regular-expression substitution.
SQL Server✓ Tested
Replace a literal substring
Postgres: REPLACE performs a literal replacement rather than a regular-expression substitution.
Postgres✓ Tested