grep - find matches of a string in a vector of strings
Foreach entry of str1, grep searches if at least a string in str2 matches a substring. str1 entries index where at least a match has been found are returned in the row argument. while optionnal which argument gives the index of first string of str2 found.
txt=['find matches of a string in a vector of strings'
'search position of a character string in an other string'
'Compare Strings'];
grep(txt,'strings')
grep(txt,['strings' 'Strings'])
[r,w]=grep(txt,['strings' 'Strings'])