| Functions | Regular expressions |
|---|---|
| Integers (including 0) | ^-? [0-9]\d*$ |
| Positive integers (including 0) | ^[0-9]\\d*$ |
| Negative integers (excluding 0) | ^-[0-9]\\d*$ |
| Numbers (including 0) | ^([+-]?) \\\d*\\\\...? \\\d+$ |
| Positive numbers (including 0) | ^[0-9]\\d*|0$ |
| Negative numbers (excluding 0) | ^-[1-9]\\\d*|0$ |
| Floating point numbers or integers | ^\\\d+(\\\. \\\d+)? $ |
| Floating point number | ^([+-]?) \\\d*\\\\. \\d+$ |
| Positive floating-point numbers | ^[1-9]\\\d*. \\\d*|0.\\d*[1-9]\\d*|0?.0+|0$ |
| Negative Floating Point Numbers | ^(-([1-9]\\\d*. \\d*|0.\d*[1-9]\d*))|0?.0+|0$ |
| Non-negative floating-point numbers (positive floating-point numbers + 0, with one decimal place) | ^(([0-9]+\. [0-9]{1})|([0-9]*[1-9][0-9]*\. [0-9]{1})|([0-9]*[0-9]{1})$) |
| ^[a-zA-Z0-9.! #$%&'*+\/=? ^_`{|}~-]+@[a-zA-Z0-9](? :[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])? (? :\. [a-zA-Z0-9](? :[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$ | |
| Colors | ^[a-fA-F0-9]{6}$ |
| url | ^http[s]? :\\\/\\\/([\\\\w-]+\\\...) +[\\\w-]+([\\\w-. /? %&=]*)? $ |
| Chinese only | ^[\\\u4E00-\\u9FA5\\uF900-\uFA2D]+$ |
| ACSII characters only | ^[\\x00-\\xFF]+$ |
| Zip code | ^\\\d{6}$ |
| Cell phone number | ^(11|12|13|14|15|16|17|18|19)[0-9]{9}$ |
| Cell phone number and landline number | (^1[1|2|3|4|5|6|7|8|9][0-9]\d{8}$)|(^(0[0-9]{2,3}\-)? ([2-9][0-9]{6,7})+(\-[0-9]{1,4})? $) |
| Non-empty | ^\\\S+$ |
| Alphabet | ^[A-Za-z]+$ |
| Upper case only | ^[A-Z]+$ |
| Lowercase letters only | ^[a-z]+$ |
| Password (must contain numbers, letters, special characters and be 6-12 digits long) | ^(?! \D+$)(?! [a-zA-Z0-9]+$)(?! [^a-zA-Z0-9]+$)\S{6,12}$ |
| Password (must contain letters and numbers and be 8-12 digits long) | ^(?! \D+$)(?! [^a-z]+$)\S{8,12}$ |
| Password (must contain numbers, uppercase letters, lowercase letters, special characters and be 6-12 characters long) | ^(?! \D+$)(?! [a-z]+$)(?! [^A-Z]+$)\S{6,12}$ |
| Time | ^([0-1]? [0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])$ |
| Date + Time | (((^((1[8-9]\d{2})|([2-9]\d{3})))([-\/\. _])(10|12|0?[13578])([-\/\. _])(3[01]|[12][0-9]|0?[1-9]))|(^((1[8-9]\d{2})|([2-9]\d{3}))(-\/\. _])(11|0?[469])([-\/\. _])(30|[12][0-9]|0?[1-9]))|(^((1[8-9]\d{2})|([2-9]\d{3}))([-\/\. _])(0?2)([-\/\. _])(2[0-8]|1[0-9]|0?[1-9]))|(^([2468][048]00)([-\\/\. _])(0?2)([-\/\. _])(29))|(^([3579][26]00)([-\/\. _])(0?2) ([-\/\. _])(0?2)([-\/\. _])(29))|(^([1][89][0][48])([-\/\. _])(0?2)([-\/\. _])(29))|(^([2-9][0-9][0][48])([-\/\. _])(0?2)([-\/\. _])(29))|(^([1][89][2468][048])([-\/\. _])(0?2)([-\/\. _])(29))|(^([2-9][0-9][2468][048])([-\/\. _])(0?2)([-\/\. _])(29))|(^([1][89][13579][26])([-\/\. _])(0?2)([-\/\. _])(29))|(^([2-9][0-9][13579][26])([-\/\. _])(0?2)([-\/\. _])(29)))((\s+(0?[1-9]|1[012])(:[0-5]\d){0,2}(\s[AP]M))? $|(\s+([01]\d|2[0-3])(:[0-5]\d){0,2})? $)) |
| ID number | ^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$|^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))((0|1|2]\d)|3[0-1])\d{3}([0-9]|X)$) |
Original content, reproduced with attribution: Smart Tool Kit
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