Results for “Text validation & formatting”
Small, practical examples. Search by task or narrow things down below.
Replace text in a pipeline
Linux Commands: Replace text in a pipeline using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Replace text in a string
Replace every occurrence of a substring and keep the result in a new string. The original string is unchanged.
string✓ Tested
Replace text with parameter expansion
Bash Scripts: Replace text with parameter expansion with a small standalone Bash program.
Bash Scripts✓ Tested
Replace text with sed
Replace all occurrences of the substring old on each line and print the transformed text without changing the input file.
sed✓ Tested
Represent removed and inserted text
HTML: Del and ins record a textual change while retaining both versions in the document.
HTML✓ Tested
Require a minimum text length
Require a minimum text length with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Return a descriptive validation error
Return a descriptive validation error using a complete Go program with explicit sample inputs.
Go✓ Tested
Return text from a shell function
Capture a function’s output with command substitution.
function✓ Tested
Run cleanup around a custom context
Python: Use try/finally inside a contextmanager so cleanup runs even on failure.
Python✓ Tested
Scale text within limits
Use CSS clamp to bound responsive font sizing.
CSS✓ Tested
Search for text in a file
Find matching lines with their line numbers, ignoring letter case and treating the pattern as literal text.
grep✓ Tested
Search text without case sensitivity
Linux Commands: Use grep -i to match uppercase and lowercase variants.
Linux Commands✓ Tested