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The building blocks of regular expressions — character classes, anchors, quantifiers, groups, lookarounds and flags — plus ready-to-use patterns for email, dates, postcodes, URLs and more, and pro tips to keep your regex readable.

• ✓Full syntax reference
• ✓Anchors, groups & lookarounds
• ✓Flags explained
• ✓Copy-paste common patterns
• ✓Greedy vs lazy
• ✓Pro tips & gotchas