Regex TesterTest regular expressions in real timeYour data never leaves your browser.PinFlag GuidegGlobaliCase insensitivemMultilinesDot matches newlineSample Texts — click to loadEmailPhone (KR)URLLog levelHEX colorRegex patternFlagsTest stringPattern Guide — click to apply\d+Digits\w+Word chars\s+Whitespace[a-z]+Lowercase[A-Z]+Uppercase^\d+$Digits-only line\b\w{4}\b4-char word[^aeiou\s]+No vowels\d{2,3}-\d{3,4}-\d{4}Phone (KR)[\w.+-]+@[\w-]+\.[\w.]+Emailhttps?:\/\/[^\s]+URL#[0-9a-fA-F]{6}HEX color