Written by Transforms a given string into lowercase characters.
Calculates the number of bytes in a given string.
Provides the count of characters in a string.
Extracts a substring from the start of a designated text.
Links the elements from one or more single-dimensional arrays with a chosen separator.
Formats a numerical value to a specified number of decimal places.
Identifies the position at which a string first appears in text, counting each double-character as two separate characters.
Returns the index at which a substring first appears within a given text.
Determines if two strings are exactly the same.
Transforms a number into a financial format tailored to specific regional currencies.