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Results for “Text validation & formatting”

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JavaText validation & formatting

Build text efficiently in a loop

Java: Append to StringBuilder when constructing a string incrementally.

Java✓ Tested
JavaText validation & formatting

Extract text between known positions

Java: Java substring uses a start-inclusive, end-exclusive range of UTF-16 indices.

Java✓ Tested
JavaText validation & formatting

Repeat text a fixed number of times

Java: Use String.repeat with a nonnegative repetition count.

Java✓ Tested
JavaText validation & formatting

Treat dynamic regex input as literal text

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

Java✓ Tested
JavaText validation & formatting

Check a filename suffix

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

Java✓ Tested
JavaText validation & formatting

Check a string prefix

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

Java✓ Tested
JavaText validation & formatting

Count Unicode code points

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

Java✓ Tested
JavaText validation & formatting

Extract successive regex matches

Java: Use a Matcher loop to find all unsigned integer tokens in Java text.

Java✓ Tested
JavaText validation & formatting

Process the lines of an in-memory string

Java: Use String.lines to handle common line terminators without retaining them.

Java✓ Tested
JavaText validation & formatting

Validate a complete identifier

Java: String.matches requires the regular expression to match the entire input.

Java✓ Tested
SQL ServerSelect & page

Convert text without raising a conversion error

Return NULL when a numeric conversion fails.

TRY_CONVERT✓ Tested
C#Text validation & encoding

Build text incrementally with StringBuilder

C#: Append fragments instead of repeatedly concatenating intermediate strings in a loop.

C#✓ Tested