字符串只允许数字和英文的正则
正则匹配中文英文数字好的,以下是关于只允许数字和英文的正则表达式的相关内容:
**正则表达式**:`^[a-zA-Z0-9]+$`
**英语释义**:This regular expression matches a string that consists only of letters (both uppercase and lowercase) and numbers.
**短语**:
1. "Allowed characters" - 允许的字符
2. "Validation rule" - 验证规则
3. "String pattern" - 字符串模式
**单词**:
1. "Regular" - 正则的,有规律的
2. "Expression" - 表达式
3. "Character" - 字符
4. "Alphanumeric" - 字母数字的
**用法**:
This regular expression can be used in various programming languages and text processing tools to validate if a given string contains only alphanumeric characters.
**双语例句**:
1. The input string must match the pattern `^[a-zA-Z0-9]+$` to be valid. (输入字符串必须匹配 `^[a-zA-Z0-9]+$` 模式才有效。)
2. We use the regex `^[a-zA-Z0-9]+$` to ensure only alphanumeric entries are accepted. (我们使用正则表达式 `^[a-zA-Z0-9]+$` 来确保只接受字母数字的输入。)
3. The function checks if the text follows the alphanumeric regex `^[a-zA-Z0-9]+$`. (该函数检查文本是否遵循字母数字的正则表达式 `^[a-zA-Z0-9]+$` 。)
4. Please enter a value that adheres to the `^[a-zA-Z0-9]+$` format. (请输入符合 `^[a-zA-Z0-9]+$` 格式的值。)
5. The validation fails if the input does not match `^[a-zA-Z0-9]+$`. (如果输入不匹配 `^[a-zA-Z0-9]+$`,验证将失败。)
6. Only strings satisfying `^[a-zA-Z0-9]+$` can be processed. (只有满足 `^[a-zA-Z0-9]+$` 的字符串才能被处理。)
7. Make sure your username complies with the `^[a-zA-Z0-9]+$` rule. (确保您的用户名符合 `^[a-zA-Z0-9]+$` 规则。)
8. The system only accepts alphanumeric strings as defined by `^[a-zA-Z0-9]+$`. (系统仅接受由 `^[a-zA-Z0-9]+$` 定义的字母数字字符串。)
9. If the password doesn't match `^[a-zA-Z0-9]+$`, it will be rejected. (如果密码不匹配 `^[a-zA-Z0-9]+$`,它将被拒绝。)
10. The code validates the input using the regex `^[a-zA-Z0-9]+$`. (代码使用正则表达式 `^[a-zA-Z0-9]+$` 验证输入。)
11. The form field only allows values that fit the `^[a-zA-Z0-9]+$` pattern. (表单字段仅允许符合 `^[a-zA-Z0-9]+$` 模式的值。)
12. The validation logic is based on the regex `^[a-zA-Z0-9]+$`. (验证逻辑基于正则表达式 `^[a-zA-Z0-9]+$` 。)
13. Any string that doesn't match `^[a-zA-Z0-9]+$` is considered invalid. (任何不匹配 `^[a-zA-Z0-9]+$` 的字符串都被视为无效。)
14. The application enforces the `^[a-zA-Z0-9]+$` regex for certain fields. (应用程序对某些字段强制使用 `^[a-zA-Z0-9]+$` 正则表达式。)
15. Enter a string that adheres to the `^[a-zA-Z0-9]+$` criteria. (输入符合 `^[a-zA-Z0-9]+$` 标准的字符串。)
16. The API expects parameters in the format specified by `^[a-zA-Z0-9]+$`. (API 期望参数采用 `^[a-zA-Z0-9]+$` 指定的格式。)
17. The script checks if the data conforms to `^[a-zA-Z0-9]+$`. (脚本检查数据是否符合 `^[a-zA-Z0-9]+$` 。)
18. The validation rule for this field is `^[a-zA-Z0-9]+$`. (此字段的验证规则是 `^[a-zA-Z0-9]+$` 。)
19. Ensure the text you provide matches the `^[a-zA-Z0-9]+$` requirement. (确保您提供的文本符合 `^[a-zA-Z0-9]+$` 要求。)
20. The program validates the input against the `^[a-zA-Z0-9]+$` pattern. (程序根据 `^[a-zA-Z0-9]+$` 模式验证输入。)
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