- 2015-10-01strtok
- 2015-10-01strstr
- 2015-10-01strspn
- 2015-10-01strrpos
- 2015-10-01strripos
- 2015-10-01strrev
- 2015-10-01strrchr
- 2015-10-01strpos
- 2015-10-01strpbrk
- 2015-10-01strncmp
- 2015-10-01strncasecmp
- 2015-10-01strnatcmp
- 2015-10-01strnatcasecmp
- 2015-10-01strlen
- 2015-10-01stristr
- 2015-10-01stripos
- 2015-10-01stripslashes
- 2015-10-01stripcslashes
- 2015-10-01strip_tags
- 2015-10-01strcspn