Question

Write the regular expression that will match the following string pattern descriptions. A space character at...

Write the regular expression that will match the following string pattern descriptions.

A space character at the beginning of a line

Upper case vowel

one and more lines with a length of exactly 80 characters

A single character that cannot be an alpha or a digit

A dollar sign character ‘$’ at the end of the line

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Answer #1

Answer 1
*************

^\s*  //zero or more whitespace characters

Answer 2
************

^[AEYIUO]+$ // for only vowels

Answer 3
**************

/^[a-zA-Z]{80}$/

Answer 4
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^(?=.*[a-zA-Z].*)([a-zA-Z0-9]+)$

Answer 5
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".*\$$"

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