Regex Cheatsheet - Regular Expression Quick Reference
Quick reference for regular expression patterns. Character classes, quantifiers, anchors, and common patterns.
Dot - Any Character
Character ClassMatches any single character except newline (\n)
Pattern
.Syntax
Explanation
By default, . matches any character except newline. Use the s flag (dotAll) to include newlines.
Examples
a.cMatches "abc", "aac", "a3c"
Matches: abc, aac, a3c
h.tMatches "hat", "hot", "hit"
Matches: hat, hot, hit
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