String editing

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erase Delete a substring in a string
eraseBetween Delete the substring between the start and end
extract Extract a substring from a string
extractAfter Extract the substring after the specified position
extractBefore Extract the substring before the specified position
extractBetween Extract the substring between the starting point and the ending point
insertAfter Insert a string after the specified substring
insertBefore Insert a string before the specified substring
pad Add leading or trailing characters to a string
strip Remove leading and trailing characters in a string
lower convert string to lowercase
upper convert string to uppercase
reverse Reverse the order of characters in a string
deblank Remove trailing blanks at the end of a string
strtrim Remove leading and trailing blanks from a string
strjust align string
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