regexFind#

swordfish.function.regexFind()#

Search in str for another string that matches pattern and return an integer that indicates the beginning position of the first matched substring. If no substring matches, return -1.

Parameters:
  • str (Constant) – A string or a string vector.

  • pattern (Constant) – An ordinary string scalar or a regular expression pattern to be searched in str. Regular expression pattern includes character literals, metacharacters, or a combination of both.

  • offset (Constant, optional) – A non-negative integer with default value of 0. This optional argument is the starting position in str to conduct the search operation. The first character in str corresponds to position 0.