Contains (full-string, contains-string) returns a Boolean value; it checks to see if full-string contains contains-string.

contains (full - string, contains - string)返回一个boolean值，检查full - string是否包含contains - string。

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Starts-with (full-string, start-string) returns a Boolean value; it checks to see if full-string starts with start-string.

starts -with (full - string, start -string)返回一个boolean值，检查full - string是否以start - string开始。

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Starts-with (full-string, start-string) returns a Boolean value; it checks to see if full-string starts with start-string.

starts -with (full - string, start -string)返回一个boolean值，检查full - string是否以start - string开始。

youdao