Regex Special Characters: Complete Reference for Metacharacters
Master regex special characters: dots, anchors, brackets, quantifiers, and escape sequences. Includes examples for every metacharacter.
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Tags: developer-tools, regex, reference
Regex Special Characters: Complete Reference for Metacharacters Every character in a regex is either a literal (matches itself) or a metacharacter (has special meaning). Metacharacters are what make regex powerful — and what make it confusing when you first encounter them. This is the complete reference. Test any of these examples at theproductguy.in/tools/regex-tester. — Dot (Any Character) Matches any single character except a newline (). Common mistake: Using when you mean "any character including newline." By default doesn't match newline. Use the (dotAll) flag to change this: Escaping: Use to match a literal period. --- — Zero or More Matches the preceding element zero or more times (greedy by default). "Greedy" means it captures as much as possible: Make it lazy with : --- — One or…
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