wildcard ( synonym found)
Definition of wildcard:

°(computing) A character that takes the place of any other character or string that is not known or specified.
"In searching, if a*m finds amalgam, atom and alum, then * is acting as a wildcard."
°An uncontrolled or unpredictable element.
Definition of wildcard:

°(computing) A character that takes the place of any other character or string that is not known or specified.
"In searching, if a*m finds amalgam, atom and alum, then * is acting as a wildcard."
°An uncontrolled or unpredictable element.
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