Template:Str test
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Introduction
This template will determine whether the regular expression can match the string. If it matches at least one result successfully, it will output 1 by default, otherwise it will output empty.
parameters
- str: the string to match, this parameter also corresponds to anonymous parameter 1
- ptn: Regular expression, which can be passed in in the format of
<nowiki>tags. This parameter also corresponds to anonymous parameter 2 - then: match to output, default is number 1
- else: no output matched
