Results of 1 - 6 of about 6 for regexp (0.004 sec.)
- Regular Expressions – DuckDB 12960
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...regular expression syntax, see the RE2 docs . Functions All functions accept an optional set of options . Name Description regexp_extract(string, pattern[, group = 0][, options]) If string contains the regexp pattern , returns the capturing group speci...string. The group must be a constant value. If no group is given, it defaults to 0. A set of optional options can be set. regexp_extract(string, pattern, name_list[, options]) If string contains the regexp pattern , returns the capturing groups as a s...ruct with corresponding names from name_list ; otherwise, returns a struct with the same keys and empty strings as values. regexp_extract_all(string, regex[, group = 0][, options]) Finds non-overlapping occurrences of regex in string and returns the co... - https://man.mtool.work/duckdb/1.3/sql/functions/regular_expressions.html
- Text Functions – DuckDB 9669
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...file with invalid UTF-8 an error is thrown suggesting to use read_blob instead. See the read_text guide for more details. regexp_escape(string) Escapes special patterns to turn string into a regular expression similarly to Python's re.escape function.... regexp_extract(string, regex[, group][, options]) If string contains the regex pattern, returns the capturing group specified by...g. The group must be a constant value. If no group is given, it defaults to 0. A set of optional regex options can be set. regexp_extract(string, regex, name_list[, options]) If string contains the regex pattern, returns the capturing groups as a struc... - https://man.mtool.work/duckdb/1.3/sql/functions/text.html
- PostgreSQL Compatibility – DuckDB 8573
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...L does not do this. For an example, run: SELECT ARRAY [ ' '' ' ]; PostgreSQL returns: {'} DuckDB returns: ['\''] Functions regexp_extract Function Unlike PostgreSQL's regexp_substr function, DuckDB's regexp_extract returns empty strings instead of NULL...sitive partial regex matching) as well as their negated variants, !~ and !~* , respectively. In DuckDB, ~ is equivalent to regexp_full_match and !~ is equivalent to NOT regexp_full_match . The operators ~* and !~* are not supported. The table below sho...B PostgreSQL Infinity case identifiers table MyTaBLe division following query integer while mytable PreservedCase matching regexp myschema Expression performs successfully insensitive exist tables statement mytype 関連するページ Keywords and Identifier... - https://man.mtool.work/duckdb/1.3/sql/dialect/postgresql_compatibility.html
- Enum Data Type – DuckDB 7878
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...In addition, it also allows for comparisons between different enum columns, or an enum and a VARCHAR column. For example: Regexp_matches is a function that takes a VARCHAR, hence current_mood is cast to VARCHAR: SELECT regexp_matches ( current_mood ,... - https://man.mtool.work/duckdb/1.3/sql/data_types/enum.html
- Pattern Matching – DuckDB 7878
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...DuckDB supports some PostgreSQL-style operators for regular expression matching: PostgreSQL-style Equivalent expression ~ regexp_full_match !~ NOT regexp_full_match ~* (not supported) !~* (not supported) 関連キーワード pattern expression regular match... - https://man.mtool.work/duckdb/1.3/sql/functions/pattern_matching.html
- Analyzing a Git Repository – DuckDB 7841
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...estion: which topic was the most commonly mentioned in the commit messages: CI, CLI, or Python? SELECT message. lower () . regexp_extract ( '\b(ci|cli|python)\b' ) AS topic , count ( * ) AS num_commits FROM commits WHERE topic <> '' GROUP BY ALL ORDER...the commit messages. To do so, we first tokenize the messages: CREATE TABLE words AS SELECT unnest ( message . lower () . regexp_replace ( '\W' , ' ' ) . trim ( ' ' ) . string_split_regex ( '\W' ) ) AS word FROM commits ; Then, we remove stopwords usi... - https://man.mtool.work/duckdb/1.3/guides/snippets/analyze_git_repository.html
PREV
1
NEXT
DuckDB 1.3 Documentation / man.mtool.work