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Table 2.1. Case Conversion
| Algorithm name | Description | Functions | 
|---|---|---|
| to_upper | Convert a string to upper case | to_upper_copy()to_upper() | 
| to_lower | Convert a string to lower case | to_lower_copy()to_lower() | 
Table 2.2. Trimming
| Algorithm name | Description | Functions | 
|---|---|---|
| trim_left | Remove leading spaces from a string | trim_left_copy_if()trim_left_if()trim_left_copy()trim_left() | 
| trim_right | Remove trailing spaces from a string | trim_right_copy_if()trim_right_if()trim_right_copy()trim_right() | 
| trim | Remove leading and trailing spaces from a string | trim_copy_if()trim_if()trim_copy()trim() | 
Table 2.3. Predicates
| Algorithm name | Description | Functions | 
|---|---|---|
| starts_with | Check if a string is a prefix of the other one | starts_with()istarts_with() | 
| ends_with | Check if a string is a suffix of the other one | ends_with()iends_with() | 
| contains | Check if a string is contained of the other one | contains()icontains() | 
| equals | Check if two strings are equal | equals()iequals() | 
| lexicographical_compare | Check if a string is lexicographically less then another one | lexicographical_compare()ilexicographical_compare() | 
| all | Check if all elements of a string satisfy the given predicate | all() | 
Table 2.4. Find algorithms
| Algorithm name | Description | Functions | 
|---|---|---|
| find_first | Find the first occurrence of a string in the input | find_first()ifind_first() | 
| find_last | Find the last occurrence of a string in the input | find_last()ifind_last() | 
| find_nth | Find the nth (zero-indexed) occurrence of a string in the input | find_nth()ifind_nth() | 
| find_head | Retrieve the head of a string | find_head() | 
| find_tail | Retrieve the tail of a string | find_tail() | 
| find_token | Find first matching token in the string | find_token() | 
| find_regex | Use the regular expression to search the string | find_regex() | 
| find | Generic find algorithm | find() | 
Table 2.5. Erase/Replace
Table 2.6. Split
| Algorithm name | Description | Functions | 
|---|---|---|
| find_all | Find/Extract all matching substrings in the input | find_all()ifind_all()find_all_regex() | 
| split | Split input into parts | split()split_regex() | 
| iter_find | Iteratively apply the finder to the input to find all matching substrings | iter_find() | 
| iter_split | Use the finder to find matching substrings in the input and use them as separators to split the input into parts | iter_split() | 
Table 2.8. Finders
| Finder | Description | Generators | 
|---|---|---|
| first_finder | Search for the first match of the string in an input | first_finder() | 
| last_finder | Search for the last match of the string in an input | last_finder() | 
| nth_finder | Search for the nth (zero-indexed) match of the string in an input | nth_finder() | 
| head_finder | Retrieve the head of an input | head_finder() | 
| tail_finder | Retrieve the tail of an input | tail_finder() | 
| token_finder | Search for a matching token in an input | token_finder() | 
| range_finder | Do no search, always returns the given range | range_finder() | 
| regex_finder | Search for a substring matching the given regex | regex_finder() | 
Table 2.9. Formatters
| Formatter | Description | Generators | 
|---|---|---|
| const_formatter | Constant formatter. Always return the specified string | const_formatter() | 
| identity_formatter | Identity formatter. Return unmodified input input | identity_formatter() | 
| empty_formatter | Null formatter. Always return an empty string | empty_formatter() | 
| regex_formatter | Regex formatter. Format regex match using the specification in the format string | regex_formatter() | 
Table 2.10. Find Iterators
| Iterator name | Description | Iterator class | 
|---|---|---|
| find_iterator | Iterates through matching substrings in the input | find_iterator | 
| split_iterator | Iterates through gaps between matching substrings in the input | split_iterator | 
Table 2.11. Predicates
| Predicate name | Description | Generator | 
|---|---|---|
| is_classified | Generic ctypemask based classification | is_classified() | 
| is_space | Recognize spaces | is_space() | 
| is_alnum | Recognize alphanumeric characters | is_alnum() | 
| is_alpha | Recognize letters | is_alpha() | 
| is_cntrl | Recognize control characters | is_cntrl() | 
| is_digit | Recognize decimal digits | is_digit() | 
| is_graph | Recognize graphical characters | is_graph() | 
| is_lower | Recognize lower case characters | is_lower() | 
| is_print | Recognize printable characters | is_print() | 
| is_punct | Recognize punctuation characters | is_punct() | 
| is_upper | Recognize uppercase characters | is_upper() | 
| is_xdigit | Recognize hexadecimal digits | is_xdigit() | 
| is_any_of | Recognize any of a sequence of characters | is_any_of() | 
| is_from_range | Recognize characters inside a min..max range | is_from_range() |