strings.to_lower
strings.to_lower(stringText)
说明
此函数接受一个输入字符串，并将所有字符更改为小写，然后返回一个字符串
形参数据类型
STRING
返回类型
STRING
代码示例
示例 1
以下示例返回 true。
"test@google.com" = strings.to_lower($e.network.email.to)
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最后更新时间 (UTC)：2025-07-29。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-07-29。"],[[["\u003cp\u003eThe \u003ccode\u003estrings.to_lower\u003c/code\u003e function converts all characters in an input string to lowercase.\u003c/p\u003e\n"],["\u003cp\u003eThis function is supported in Rules and Search within Chronicle.\u003c/p\u003e\n"],["\u003cp\u003eThe function accepts a \u003ccode\u003eSTRING\u003c/code\u003e as input and returns a \u003ccode\u003eSTRING\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eAn example demonstrates its use in comparing a lowercase string to an email address.\u003c/p\u003e\n"]]],[],null,["### strings.to_lower\n\nSupported in: \n[Rules](/chronicle/docs/detection/default-rules) [Search](/chronicle/docs/investigation/udm-search) \n\n strings.to_lower(stringText)\n\n#### Description\n\nThis function takes an input string and returns a string after changing all\ncharacters to lowercase\n\n#### Param data types\n\n`STRING`\n\n#### Return type\n\n`STRING`\n\n#### Code samples\n\n##### Example 1\n\nThe following example returns `true`. \n\n \"test@google.com\" = strings.to_lower($e.network.email.to)"]]