Assertion: expression's character | /r/HasAspect | special meaning
Facets:
value: in regular expressions.- a question mark
type: OTHER
value: in regular expressions
type: LOCATION
Source sentences:
text: Each character in a regular expression (that is, each character in the string describing its pattern) is either a metacharacter, having a special meaning, or a regular character that has a literal meaning.
text: Twelve characters have special meanings in regular expressions: the backslash \ , the caret ^ , the dollar sign $ , the period or dot . , the vertical bar or pipe symbol | , the question mark ? , the asterisk or star * , the plus sign + , the opening parenthesis ( , the closing parenthesis ) , the opening square bracket [ , and the opening curly brace { .
text: Apart from the two anchors listed above, the following characters have special meaning in regular expressions.- A question mark indicates theis repeatedone time.