search for text string 查找文字串
Your text editor might have a search feature that displays all lines that contain a specified string.
您的文本编辑器可能具有搜索功能，可显示包含指定字符串的所有行。
Listing 20 shows the code to process events and search records for a match against a user-entered text string.
清单20展示了处理事件以及搜索与用户输入文本字符串相匹配的记录的代码。
Asterisks can be used as wildcards and, unlike a text search, they can be used as the first character of the string.
星号可以用作一个通配符，不像文本搜索，它们可以用作字符串的首字符。
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