punctuation character造句怎么写

You can't declare a variable my if its name is a punctuation character, like $_, @_, or $$.

Don't use spaces or other strange punctuation characters.

On finding palindromes, any characters in the input except Roman alphabets, such as punctuation characters, digits, Spaces, and tabs, should be ignored.

In this case the % substitutes other punctuation characters and whitespace.

The character class is more succinct than spelling out all the punctuation characters.

I like the a long no punctuation characters feel like read my breath to the love.