PHP/String
- Email Format
- New Line
- Quotation
- Regular Expressions
- Replace
- String
- String Case
- String Compare
- String Concatenation
- String Contains
- String Count
- String Escape
- String Find
- String Interpolation
- String Length
- String Matches
- String Operators
- String Pad
- String Repeat
- String Replace
- String Split
- String Token
- String Trim Chop
- Sub string
- addslashes
- chdir
- chop
- chr
- count_chars
- curl_init
- ereg
- ereg_replace
- eregi
- gmp_strval
- here document
- is_string
- levenshtein
- ltrim
- metaphone
- ord
- preg_grep
- preg_match
- preg_match_all
- preg_quote
- preg_replace
- preg_replace_callback
- preg_split
- rtrim
- similar_text
- soundex
- split
- sprintf
- str_ireplace
- str_pad
- str_replace
- str_split
- str_word_count
- strcasecmp
- strcmp
- strcspn
- strip_tags
- stripslashes
- stristr
- strlen
- strrev
- strrpos
- strspn
- strstr
- strtok
- strtolower
- strtotime
- strtoupper
- strval
- substr
- substr_count
- substr_replace
- trim
- ucfirst
- ucwords
- wordwrap
