Enter the following expression: substring ([DWESAMP]. [SKILL_OVERVIEW]. [JOB_DESC], 1, 50) + '... '.

输入以下表达式：substring ([dwesamp] . [s KILL_OVERVIEW] . [job_desc]，1, 50) + '…'。

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Each regular expression in this example is a substring of one of the test strings.

在这个例子中的每个正规表达式都是测试字符串的子串之一。

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Required. Specifies the character, regular expression, or substring that is used to determine where to split the string.

必选项。指定的字符，字符串或正则表达式，作为分解用的分隔符。

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