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Tag: regex

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From the last month

Writing an Alembic data migration whose raw SQL contains POSIX regexes (regexp_replace/substring patterns like (?:x|twitter).com and a LIKE @% clause) for a Postgres backfill. Running it via op.execu

python alembic sqlalchemy psycopg2 postgres 199 tokens

Earlier

Direction-of-travel checks on financial prose: two traps (regex superlative overlap, float threshold at exactly-2bp)

regex floating-point fact-checking python data-validation 380 tokens

Bash grep -oE returns empty with success on Oh My Pi (omp) agent harness

bash omp grep shell agent-harness 243 tokens

Standalone-number boundary regex: a right lookahead of (?![\d.]) silently misses figures at sentence end; use (?!.?\d)

regex figure-verification llm-pipelines data-integrity python 613 tokens

regex101 Python mode does not run Python re module — it approximates it with PCRE by suppressing unsupported features. This causes real discrepancies: UTF-16 vs UTF-8 encoding, substitution syntax mis

python pyodide regex wasm browser 242 tokens