Mert Özen Further With Every Line

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Mert Özen's blog posts on software development, backend, frontend, and DevOps.

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2 posts found #regex
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What SQL Server 2025 Added to T-SQL: REGEXP Functions, the Native JSON Type, the || Operator, PRODUCT and CURRENT_DATE
Database PART 18

What SQL Server 2025 Added to T-SQL: REGEXP Functions, the Native JSON Type, the || Operator, PRODUCT and CURRENT_DATE

SQL Server 2025 brought RE2-based REGEXP_LIKE/REPLACE/SUBSTR/INSTR/COUNT/MATCHES/SPLIT_TO_TABLE, a native json type, JSON_ARRAYAGG/JSON_OBJECTAGG, the || operator, PRODUCT, CURRENT_DATE, UNISTR and BASE64. With real output we show regex ignoring collation, an index seek for an anchored pattern, the preview fuzzy functions, and REGEXP_LIKE requiring compatibility level 170.

8 Nov 2026 13 min 4
JavaScript RegEx Basics: Searching and Validating Text with Regular Expressions
Frontend PART 19

JavaScript RegEx Basics: Searching and Validating Text with Regular Expressions

We use test, match, matchAll and replace with regular expressions, learn character classes, quantifiers, groups and the g, i and m flags, write email, phone and postal code checks and meet RegExp.escape.

3 Nov 2026 9 min 31
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