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Tag: regex

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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

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

bash omp grep shell agent-harness 243 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