codesnips

regex

ruby 
# Basic matching
email = "user@example.com"
email =~ /@/  # => 4 (position of match)
email.match?(/@/)  # => true

# Capture groups

Regular expressions for pattern matching

ruby regex regular-expressions
by Sarah Mitchell 3 tabs
rust 
use once_cell::sync::Lazy;
use regex::Regex;
use std::str::FromStr;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
pub enum Severity {

Grouping Log Lines by Severity and Emitting a Summary Report in Rust

logging parsing cli
by codesnips 3 tabs
python 
import logging
import re

_BASE_FIELDS = set(logging.makeLogRecord({}).__dict__.keys())

_PATTERNS = [

Redacting Sensitive Fields in Structured Python Logs with a logging.Filter

logging security redaction
by codesnips 3 tabs
python 
import re

text = 'INC-102301 resolved on 2026-04-06 after payment failure for order ORD-99182.'

patterns = {
    'incident_id': r'INC-[0-9]{6}',

Regular expressions for extracting structured entities from raw text

regex text-processing parsing
by Dr. Elena Vasquez 1 tab