String search: from simple to regexp JavaScript indexof Syntax: object indexof(search Value, fromIndex) When called from a String object, this method returns the index of the first occurance of the specified searchvalue argument, starting from the specified fromIndex argument. search Syntax: object search(regexp) This method is used to search for a match between a regular expression and the specified string RegExp Syntax new RegExp( "pattern"L flags"l)EfEmyReg=pattern/flagsString search: from simple to regexp (JavaScript) • indexOf – Syntax: object.indexOf(searchValue,[fromIndex]) – When called from a String object, this method returns the index of the first occurance of the specified searchValue argument, starting from the specified fromIndex argument. • search – Syntax: object.search(regexp) – This method is used to search for a match between a regular expression and the specified string. – RegExp – Syntax: • new RegExp(“pattern”[, “flags”])或者myReg=pattern/flags