Results for &#x201C;Text validation &amp; parsing&#x201D;

Treat dynamic regex input as literal text

Java: Use Pattern.quote so metacharacters in a search term lose their special meaning.

PythonText validation & encoding

GoErrors & validation

Wrap an error with context

Wrap an error with context using a complete Go program with explicit sample inputs.

Go✓ Tested

Build a URL query string

Python: Use urlencode to percent-encode query parameter values correctly.

Python✓ Tested

Check a filename suffix

Java: Use endsWith for a case-sensitive literal suffix test.

Check a literal prefix with ordinal comparison

C#: Choose StringComparison.Ordinal when a prefix is a protocol token rather than culture-dependent text.

Check a string prefix

Java: Use startsWith to check a literal Java prefix without a regular expression.

Check an extension without case sensitivity

C#: Use an explicit ordinal case-insensitive comparison for a known filename suffix.

Bash ScriptsText parsing & arithmetic

Clamp a numeric setting to a valid range

Bash Scripts: Use arithmetic comparisons before applying a user-supplied bounded setting.

Bash Scripts✓ Tested

Count Unicode code points

Java: Use codePointCount when supplementary characters should count as one rather than two UTF-16 units.

PythonText validation & encoding

Encode and decode binary data as Base64

Python: Use Base64 when a text format must carry bytes; it is encoding, not encryption.

Python✓ Tested

Enumerate Unicode code points

C#: EnumerateRunes combines surrogate pairs into Unicode scalar values.

Extract a substring with range syntax

C#: C# range ends are exclusive; indices operate on UTF-16 code units.