Regex Tester
Online regex testing tool with real-time matching, highlighting, and group capture
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Test Text
Common Regex Library
Click a regex to load it into the input fields for testing
正则测试 - Free Online Tool
^1[3-9]\\d{9}$正则表达式在线测试13812345678^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$邮箱地址user@example.com^\\d{17}[\\dXx]$18位身份证号110101199001011234^(http|https)://[\\w\\-]+(\\.\\w+)+[/\\w\\-./?%&=]*$HTTP/HTTPS URLhttps://www.example.com^1\\.([0-9]|[0-9][0-9])$IP地址（简化版）192.168.1.1正则测试 - Free Online Tool
(https?|ftp)://[\\w\\-./?%&=#]+提取URL链接https://jsjson.com[\\w.-]+@[\\w.-]+\\.\\w+提取邮箱地址contact@example.com1[3-9]\\d{9}提取手机号13812345678\\d{4}-\\d{2}-\\d{2}提取日期 (yyyy-mm-dd)2024-01-15\\d{17}[\\dXx]提取身份证号110101199001011234正则测试 - Free Online Tool
\\s+匹配空白字符（用于替换移除）多余 空格[\\u4e00-\\u9fa5]匹配中文字符abc中文def[a-zA-Z]+匹配英文字母123abc456\\d+匹配数字abc123def456[\\u4e00-\\u9fa5a-zA-Z0-9]匹配中文+英文+数字Hello世界123Regex Tester Usage Guide
Key Features
- Real-time Matching - Input and match instantly
- Group Capture - Display all captured group content
- Highlight Preview - Highlight matches in the original text
- Flag Toggle - Quickly toggle g/i/m/s flags
Common Regex
^\w+@\w+\.\w+$- Email validation^1[3-9]\d{9}$- Phone number validationhttps?://\S+- URL extraction\d{4}-\d{2}-\d{2}- Date matching