In a nutshell, a regular expression describes a string pattern.
简而言之，正则表达式描述字符串模式。
If the pattern does not match the version string pattern, a status message is created.
如果模式与版本字符串模式不相匹配，那么就会创建一条状态信息。
As the application displays a list of appointments, it detects the string pattern of those invalid records and skips them.
当这个应用程序显示一个约会列表时，它检测那些无效记录的字符串模式，然后跳过它们。
KMP scan algorithm is improved by means of the analysis of string pattern matching BF and KMP. The complexity analysis reveals that the improved algorithm, KMPA, is more effective than KMP.
通过对字符串模式匹配BF和KMP算法的分析，提出了改进KMP扫描算法的方法，并通过对算法的复杂性进行分析，结果表明：改进后的算法KMPA比算法KMP更有效。
KMP scan algorithm is improved by means of the analysis of string pattern matching BF and KMP. The complexity analysis reveals that the improved algorithm, KMPA, is more effective than KMP.
通过对字符串模式匹配BF和KMP算法的分析，提出了改进KMP扫描算法的方法，并通过对算法的复杂性进行分析，结果表明：改进后的算法KMPA比算法KMP更有效。
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